208 gr A-MAX and 300 win mag QL
- Thread starter velvetant
- Start date
DrMike
Ballistician
- Nov 8, 2006
- 37,503
- 6,509
Randy,
178 grain A-Max or 208 grain A-Max?
178 grain A-Max or 208 grain A-Max?
DrMike
Ballistician
- Nov 8, 2006
- 37,503
- 6,509
Here is data with the 208 grain A-Max and a 26 inch barrel.
Cartridge : .300 Win. Mag.(N)
Bullet : .308, 208, Hornady A-MAX 30712
Useable Case Capaci: 84.221 grain H2O = 5.468 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 26.0 inch = 660.4 mm
Powder : Hodgdon H1000
Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !
Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time
% % Grains fps ft.lbs psi psi % ms
-20.0 84 64.80 2329 2506 30393 9709 92.3 1.749
-18.0 86 66.42 2391 2640 32535 10020 93.6 1.703
-16.0 89 68.04 2453 2779 34837 10314 94.8 1.657
-14.0 91 69.66 2515 2922 37312 10591 95.9 1.610
-12.0 93 71.28 2578 3069 39977 10848 96.9 1.557
-10.0 95 72.90 2640 3219 42849 11083 97.8 1.506
-08.0 97 74.52 2703 3373 45947 11295 98.5 1.457
-06.0 99 76.14 2765 3531 49293 11482 99.1 1.410
-04.0 101 77.76 2827 3691 52911 11642 99.5 1.365
-02.0 103 79.38 2889 3854 56829 11775 99.8 1.321 ! Near Maximum !
+00.0 105 81.00 2950 4020 61079 11878 100.0 1.278 ! Near Maximum !
+02.0 108 82.62 3011 4188 65698 11952 100.0 1.237 !DANGEROUS LOAD-DO NOT USE!
+04.0 110 84.24 3072 4358 70723 12017 100.0 1.198 !DANGEROUS LOAD-DO NOT USE!
+06.0 112 85.86 3132 4531 76206 12076 100.0 1.160 !DANGEROUS LOAD-DO NOT USE!
+08.0 114 87.48 3192 4706 82199 12130 100.0 1.123 !DANGEROUS LOAD-DO NOT USE!
+10.0 116 89.10 3252 4884 88760 12178 100.0 1.087 !DANGEROUS LOAD-DO NOT USE!
Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba 105 81.00 3075 4368 74828 11348 100.0 1.180 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 105 81.00 2763 3525 49249 11951 96.2 1.406
Cartridge : .300 Win. Mag.(N)
Bullet : .308, 208, Hornady A-MAX 30712
Useable Case Capaci: 84.221 grain H2O = 5.468 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 26.0 inch = 660.4 mm
Powder : Hodgdon Retumbo
Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !
Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time
% % Grains fps ft.lbs psi psi % ms
-20.0 87 68.00 2376 2606 29940 10558 96.0 1.761
-18.0 89 69.70 2440 2749 32079 10857 97.2 1.715
-16.0 91 71.40 2504 2896 34382 11127 98.1 1.669
-14.0 94 73.10 2569 3047 36861 11367 98.9 1.624
-12.0 96 74.80 2632 3201 39539 11574 99.5 1.569
-10.0 98 76.50 2696 3357 42426 11745 99.8 1.517
-08.0 100 78.20 2759 3516 45545 11879 100.0 1.467
-06.0 102 79.90 2822 3677 48920 11982 100.0 1.419
-04.0 105 81.60 2883 3839 52574 12080 100.0 1.372
-02.0 107 83.30 2944 4004 56539 12174 100.0 1.327 ! Near Maximum !
+00.0 109 85.00 3005 4170 60844 12262 100.0 1.284 ! Near Maximum !
+02.0 111 86.70 3065 4338 65527 12347 100.0 1.243 !DANGEROUS LOAD-DO NOT USE!
+04.0 113 88.40 3125 4509 70630 12425 100.0 1.202 !DANGEROUS LOAD-DO NOT USE!
+06.0 115 90.10 3184 4682 76204 12499 100.0 1.164 !DANGEROUS LOAD-DO NOT USE!
+08.0 118 91.80 3243 4858 82297 12567 100.0 1.126 !DANGEROUS LOAD-DO NOT USE!
+10.0 120 93.50 3303 5037 88986 12629 100.0 1.090 !DANGEROUS LOAD-DO NOT USE!
Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba 109 85.00 3126 4512 76188 11760 100.0 1.180 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 109 85.00 2816 3662 48161 12828 99.0 1.422
Cartridge : .300 Win. Mag.(N)
Bullet : .308, 208, Hornady A-MAX 30712
Useable Case Capaci: 84.221 grain H2O = 5.468 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 26.0 inch = 660.4 mm
Powder : Vihtavuori N165
Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !
Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time
% % Grains fps ft.lbs psi psi % ms
-20.0 79 60.80 2315 2476 32327 8960 95.7 1.744
-18.0 81 62.32 2370 2594 34467 9196 96.6 1.701
-16.0 83 63.84 2424 2715 36743 9418 97.4 1.659
-14.0 85 65.36 2479 2838 39164 9628 98.0 1.610
-12.0 87 66.88 2533 2963 41737 9822 98.6 1.561
-10.0 89 68.40 2587 3090 44474 10000 99.1 1.516
-08.0 91 69.92 2640 3219 47386 10162 99.5 1.471
-06.0 93 71.44 2693 3349 50484 10307 99.8 1.428
-04.0 95 72.96 2745 3481 53782 10433 99.9 1.387 ! Near Maximum !
-02.0 97 74.48 2798 3615 57295 10541 100.0 1.348 ! Near Maximum !
+00.0 99 76.00 2849 3749 61040 10635 100.0 1.310 ! Near Maximum !
+02.0 101 77.52 2900 3885 65034 10725 100.0 1.273 !DANGEROUS LOAD-DO NOT USE!
+04.0 103 79.04 2951 4022 69299 10812 100.0 1.238 !DANGEROUS LOAD-DO NOT USE!
+06.0 105 80.56 3001 4160 73856 10896 100.0 1.204 !DANGEROUS LOAD-DO NOT USE!
+08.0 107 82.08 3051 4300 78731 10976 100.0 1.171 !DANGEROUS LOAD-DO NOT USE!
+10.0 109 83.60 3101 4442 83953 11053 100.0 1.139 !DANGEROUS LOAD-DO NOT USE!
Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba 99 76.00 2945 4006 72321 10245 100.0 1.221 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 99 76.00 2705 3378 49865 10873 98.0 1.429
Cartridge : .300 Win. Mag.(N)
Bullet : .308, 208, Hornady A-MAX 30712
Useable Case Capaci: 84.221 grain H2O = 5.468 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 26.0 inch = 660.4 mm
Powder : Hodgdon H4831 SC
Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !
Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time
% % Grains fps ft.lbs psi psi % ms
-20.0 76 59.60 2326 2498 32218 9206 92.4 1.727
-18.0 78 61.09 2382 2620 34350 9483 93.5 1.684
-16.0 80 62.58 2437 2744 36619 9751 94.5 1.642
-14.0 82 64.07 2493 2871 39041 10009 95.4 1.594
-12.0 84 65.56 2549 3001 41602 10255 96.3 1.546
-10.0 85 67.05 2605 3134 44305 10488 97.1 1.501
-08.0 87 68.54 2661 3269 47177 10708 97.7 1.457
-06.0 89 70.03 2716 3407 50233 10913 98.3 1.415
-04.0 91 71.52 2771 3547 53486 11102 98.8 1.375 ! Near Maximum !
-02.0 93 73.01 2826 3689 56953 11276 99.3 1.335 ! Near Maximum !
+00.0 95 74.50 2881 3833 60647 11432 99.6 1.298 ! Near Maximum !
+02.0 97 75.99 2935 3980 64589 11569 99.8 1.261 !DANGEROUS LOAD-DO NOT USE!
+04.0 99 77.48 2990 4128 68797 11688 100.0 1.226 !DANGEROUS LOAD-DO NOT USE!
+06.0 101 78.97 3043 4278 73294 11787 100.0 1.193 !DANGEROUS LOAD-DO NOT USE!
+08.0 103 80.46 3097 4429 78106 11874 100.0 1.160 !DANGEROUS LOAD-DO NOT USE!
+10.0 104 81.95 3150 4582 83260 11957 100.0 1.128 !DANGEROUS LOAD-DO NOT USE!
Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba 95 74.50 2993 4137 71598 11060 100.0 1.210 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 95 74.50 2722 3423 49832 11319 95.4 1.414
Cartridge : .300 Win. Mag.(N)
Bullet : .308, 208, Hornady A-MAX 30712
Useable Case Capaci: 84.221 grain H2O = 5.468 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 26.0 inch = 660.4 mm
Powder : Alliant Reloder-25
Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !
Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time
% % Grains fps ft.lbs psi psi % ms
-20.0 81 62.80 2389 2636 30984 10081 98.2 1.745
-18.0 83 64.37 2447 2766 33098 10314 98.9 1.701
-16.0 85 65.94 2505 2899 35360 10524 99.4 1.658
-14.0 87 67.51 2563 3034 37778 10708 99.8 1.611
-12.0 89 69.08 2620 3170 40367 10866 100.0 1.562
-10.0 92 70.65 2677 3309 43140 10996 100.0 1.514
-08.0 94 72.22 2732 3448 46113 11117 100.0 1.468
-06.0 96 73.79 2787 3588 49303 11235 100.0 1.424
-04.0 98 75.36 2842 3730 52724 11350 100.0 1.381
-02.0 100 76.93 2896 3873 56401 11461 100.0 1.340 ! Near Maximum !
+00.0 102 78.50 2949 4017 60352 11569 100.0 1.301 ! Near Maximum !
+02.0 104 80.07 3002 4163 64603 11673 100.0 1.263 !DANGEROUS LOAD-DO NOT USE!
+04.0 106 81.64 3055 4310 69142 11774 100.0 1.226 !DANGEROUS LOAD-DO NOT USE!
+06.0 108 83.21 3107 4459 73999 11871 100.0 1.191 !DANGEROUS LOAD-DO NOT USE!
+08.0 110 84.78 3159 4610 79209 11963 100.0 1.157 !DANGEROUS LOAD-DO NOT USE!
+10.0 112 86.35 3211 4763 84803 12052 100.0 1.124 !DANGEROUS LOAD-DO NOT USE!
Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba 102 78.50 3050 4296 74053 11166 100.0 1.203 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 102 78.50 2794 3605 47924 12118 99.7 1.431
Cartridge : .300 Win. Mag.(N)
Bullet : .308, 208, Hornady A-MAX 30712
Useable Case Capaci: 84.221 grain H2O = 5.468 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 26.0 inch = 660.4 mm
Powder : Hodgdon H1000
Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !
Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time
% % Grains fps ft.lbs psi psi % ms
-20.0 84 64.80 2329 2506 30393 9709 92.3 1.749
-18.0 86 66.42 2391 2640 32535 10020 93.6 1.703
-16.0 89 68.04 2453 2779 34837 10314 94.8 1.657
-14.0 91 69.66 2515 2922 37312 10591 95.9 1.610
-12.0 93 71.28 2578 3069 39977 10848 96.9 1.557
-10.0 95 72.90 2640 3219 42849 11083 97.8 1.506
-08.0 97 74.52 2703 3373 45947 11295 98.5 1.457
-06.0 99 76.14 2765 3531 49293 11482 99.1 1.410
-04.0 101 77.76 2827 3691 52911 11642 99.5 1.365
-02.0 103 79.38 2889 3854 56829 11775 99.8 1.321 ! Near Maximum !
+00.0 105 81.00 2950 4020 61079 11878 100.0 1.278 ! Near Maximum !
+02.0 108 82.62 3011 4188 65698 11952 100.0 1.237 !DANGEROUS LOAD-DO NOT USE!
+04.0 110 84.24 3072 4358 70723 12017 100.0 1.198 !DANGEROUS LOAD-DO NOT USE!
+06.0 112 85.86 3132 4531 76206 12076 100.0 1.160 !DANGEROUS LOAD-DO NOT USE!
+08.0 114 87.48 3192 4706 82199 12130 100.0 1.123 !DANGEROUS LOAD-DO NOT USE!
+10.0 116 89.10 3252 4884 88760 12178 100.0 1.087 !DANGEROUS LOAD-DO NOT USE!
Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba 105 81.00 3075 4368 74828 11348 100.0 1.180 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 105 81.00 2763 3525 49249 11951 96.2 1.406
Cartridge : .300 Win. Mag.(N)
Bullet : .308, 208, Hornady A-MAX 30712
Useable Case Capaci: 84.221 grain H2O = 5.468 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 26.0 inch = 660.4 mm
Powder : Hodgdon Retumbo
Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !
Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time
% % Grains fps ft.lbs psi psi % ms
-20.0 87 68.00 2376 2606 29940 10558 96.0 1.761
-18.0 89 69.70 2440 2749 32079 10857 97.2 1.715
-16.0 91 71.40 2504 2896 34382 11127 98.1 1.669
-14.0 94 73.10 2569 3047 36861 11367 98.9 1.624
-12.0 96 74.80 2632 3201 39539 11574 99.5 1.569
-10.0 98 76.50 2696 3357 42426 11745 99.8 1.517
-08.0 100 78.20 2759 3516 45545 11879 100.0 1.467
-06.0 102 79.90 2822 3677 48920 11982 100.0 1.419
-04.0 105 81.60 2883 3839 52574 12080 100.0 1.372
-02.0 107 83.30 2944 4004 56539 12174 100.0 1.327 ! Near Maximum !
+00.0 109 85.00 3005 4170 60844 12262 100.0 1.284 ! Near Maximum !
+02.0 111 86.70 3065 4338 65527 12347 100.0 1.243 !DANGEROUS LOAD-DO NOT USE!
+04.0 113 88.40 3125 4509 70630 12425 100.0 1.202 !DANGEROUS LOAD-DO NOT USE!
+06.0 115 90.10 3184 4682 76204 12499 100.0 1.164 !DANGEROUS LOAD-DO NOT USE!
+08.0 118 91.80 3243 4858 82297 12567 100.0 1.126 !DANGEROUS LOAD-DO NOT USE!
+10.0 120 93.50 3303 5037 88986 12629 100.0 1.090 !DANGEROUS LOAD-DO NOT USE!
Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba 109 85.00 3126 4512 76188 11760 100.0 1.180 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 109 85.00 2816 3662 48161 12828 99.0 1.422
Cartridge : .300 Win. Mag.(N)
Bullet : .308, 208, Hornady A-MAX 30712
Useable Case Capaci: 84.221 grain H2O = 5.468 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 26.0 inch = 660.4 mm
Powder : Vihtavuori N165
Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !
Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time
% % Grains fps ft.lbs psi psi % ms
-20.0 79 60.80 2315 2476 32327 8960 95.7 1.744
-18.0 81 62.32 2370 2594 34467 9196 96.6 1.701
-16.0 83 63.84 2424 2715 36743 9418 97.4 1.659
-14.0 85 65.36 2479 2838 39164 9628 98.0 1.610
-12.0 87 66.88 2533 2963 41737 9822 98.6 1.561
-10.0 89 68.40 2587 3090 44474 10000 99.1 1.516
-08.0 91 69.92 2640 3219 47386 10162 99.5 1.471
-06.0 93 71.44 2693 3349 50484 10307 99.8 1.428
-04.0 95 72.96 2745 3481 53782 10433 99.9 1.387 ! Near Maximum !
-02.0 97 74.48 2798 3615 57295 10541 100.0 1.348 ! Near Maximum !
+00.0 99 76.00 2849 3749 61040 10635 100.0 1.310 ! Near Maximum !
+02.0 101 77.52 2900 3885 65034 10725 100.0 1.273 !DANGEROUS LOAD-DO NOT USE!
+04.0 103 79.04 2951 4022 69299 10812 100.0 1.238 !DANGEROUS LOAD-DO NOT USE!
+06.0 105 80.56 3001 4160 73856 10896 100.0 1.204 !DANGEROUS LOAD-DO NOT USE!
+08.0 107 82.08 3051 4300 78731 10976 100.0 1.171 !DANGEROUS LOAD-DO NOT USE!
+10.0 109 83.60 3101 4442 83953 11053 100.0 1.139 !DANGEROUS LOAD-DO NOT USE!
Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba 99 76.00 2945 4006 72321 10245 100.0 1.221 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 99 76.00 2705 3378 49865 10873 98.0 1.429
Cartridge : .300 Win. Mag.(N)
Bullet : .308, 208, Hornady A-MAX 30712
Useable Case Capaci: 84.221 grain H2O = 5.468 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 26.0 inch = 660.4 mm
Powder : Hodgdon H4831 SC
Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !
Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time
% % Grains fps ft.lbs psi psi % ms
-20.0 76 59.60 2326 2498 32218 9206 92.4 1.727
-18.0 78 61.09 2382 2620 34350 9483 93.5 1.684
-16.0 80 62.58 2437 2744 36619 9751 94.5 1.642
-14.0 82 64.07 2493 2871 39041 10009 95.4 1.594
-12.0 84 65.56 2549 3001 41602 10255 96.3 1.546
-10.0 85 67.05 2605 3134 44305 10488 97.1 1.501
-08.0 87 68.54 2661 3269 47177 10708 97.7 1.457
-06.0 89 70.03 2716 3407 50233 10913 98.3 1.415
-04.0 91 71.52 2771 3547 53486 11102 98.8 1.375 ! Near Maximum !
-02.0 93 73.01 2826 3689 56953 11276 99.3 1.335 ! Near Maximum !
+00.0 95 74.50 2881 3833 60647 11432 99.6 1.298 ! Near Maximum !
+02.0 97 75.99 2935 3980 64589 11569 99.8 1.261 !DANGEROUS LOAD-DO NOT USE!
+04.0 99 77.48 2990 4128 68797 11688 100.0 1.226 !DANGEROUS LOAD-DO NOT USE!
+06.0 101 78.97 3043 4278 73294 11787 100.0 1.193 !DANGEROUS LOAD-DO NOT USE!
+08.0 103 80.46 3097 4429 78106 11874 100.0 1.160 !DANGEROUS LOAD-DO NOT USE!
+10.0 104 81.95 3150 4582 83260 11957 100.0 1.128 !DANGEROUS LOAD-DO NOT USE!
Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba 95 74.50 2993 4137 71598 11060 100.0 1.210 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 95 74.50 2722 3423 49832 11319 95.4 1.414
Cartridge : .300 Win. Mag.(N)
Bullet : .308, 208, Hornady A-MAX 30712
Useable Case Capaci: 84.221 grain H2O = 5.468 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 26.0 inch = 660.4 mm
Powder : Alliant Reloder-25
Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !
Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time
% % Grains fps ft.lbs psi psi % ms
-20.0 81 62.80 2389 2636 30984 10081 98.2 1.745
-18.0 83 64.37 2447 2766 33098 10314 98.9 1.701
-16.0 85 65.94 2505 2899 35360 10524 99.4 1.658
-14.0 87 67.51 2563 3034 37778 10708 99.8 1.611
-12.0 89 69.08 2620 3170 40367 10866 100.0 1.562
-10.0 92 70.65 2677 3309 43140 10996 100.0 1.514
-08.0 94 72.22 2732 3448 46113 11117 100.0 1.468
-06.0 96 73.79 2787 3588 49303 11235 100.0 1.424
-04.0 98 75.36 2842 3730 52724 11350 100.0 1.381
-02.0 100 76.93 2896 3873 56401 11461 100.0 1.340 ! Near Maximum !
+00.0 102 78.50 2949 4017 60352 11569 100.0 1.301 ! Near Maximum !
+02.0 104 80.07 3002 4163 64603 11673 100.0 1.263 !DANGEROUS LOAD-DO NOT USE!
+04.0 106 81.64 3055 4310 69142 11774 100.0 1.226 !DANGEROUS LOAD-DO NOT USE!
+06.0 108 83.21 3107 4459 73999 11871 100.0 1.191 !DANGEROUS LOAD-DO NOT USE!
+08.0 110 84.78 3159 4610 79209 11963 100.0 1.157 !DANGEROUS LOAD-DO NOT USE!
+10.0 112 86.35 3211 4763 84803 12052 100.0 1.124 !DANGEROUS LOAD-DO NOT USE!
Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba 102 78.50 3050 4296 74053 11166 100.0 1.203 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 102 78.50 2794 3605 47924 12118 99.7 1.431
- Thread starter
- #4
DrMike
Ballistician
- Nov 8, 2006
- 37,503
- 6,509
Randy,
Note that these projections are with Norma brass, which gives significantly different pressure curves from calculations with Winchester and/or Remington in the 300WM.
Note that these projections are with Norma brass, which gives significantly different pressure curves from calculations with Winchester and/or Remington in the 300WM.
- Thread starter
- #6
velvetant":3onptxm2 said:
Randy, if you give Mike the case load in grains of water, it really seems to tune his data in even better.. It has really been very close for me when done like that for me.
Man, that 208 AMAX would be a fun one at around 2950! Holy smokes.. Might have to try them out in the little 300WSM. I have the mag room to seat them out. Might make a good steel load for sure, or a NV woodchuck load!
DrMike
Ballistician
- Nov 8, 2006
- 37,503
- 6,509
Randy,
Here's the data with Winchester brass as projected by QL.
Cartridge : .300 Win. Mag.(W)
Bullet : .308, 208, Hornady A-MAX 30712
Useable Case Capaci: 82.494 grain H2O = 5.356 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 26.0 inch = 660.4 mm
Powder : Alliant Reloder-25
Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !
Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time
% % Grains fps ft.lbs psi psi % ms
-20.0 82 62.24 2389 2637 31224 9994 98.1 1.735
-18.0 84 63.80 2448 2768 33369 10226 98.8 1.691
-16.0 86 65.35 2506 2901 35664 10433 99.4 1.649
-14.0 88 66.91 2564 3037 38121 10615 99.7 1.600
-12.0 91 68.46 2622 3175 40754 10771 100.0 1.551
-10.0 93 70.02 2679 3314 43576 10899 100.0 1.503
-08.0 95 71.58 2735 3454 46605 11016 100.0 1.457
-06.0 97 73.13 2790 3595 49854 11131 100.0 1.413
-04.0 99 74.69 2845 3738 53345 11242 100.0 1.370 ! Near Maximum !
-02.0 101 76.24 2899 3882 57099 11350 100.0 1.329 ! Near Maximum !
+00.0 103 77.80 2953 4027 61141 11454 100.0 1.290 ! Near Maximum !
+02.0 105 79.36 3006 4174 65497 11555 100.0 1.252 !DANGEROUS LOAD-DO NOT USE!
+04.0 107 80.91 3059 4323 70176 11651 100.0 1.215 !DANGEROUS LOAD-DO NOT USE!
+06.0 109 82.47 3112 4473 75184 11744 100.0 1.180 !DANGEROUS LOAD-DO NOT USE!
+08.0 111 84.02 3165 4626 80564 11833 100.0 1.146 !DANGEROUS LOAD-DO NOT USE!
+10.0 113 85.58 3217 4780 86352 11917 100.0 1.114 !DANGEROUS LOAD-DO NOT USE!
Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba 103 77.80 3054 4307 75151 11049 100.0 1.194 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 103 77.80 2797 3614 48563 12006 99.7 1.419
Cartridge : .300 Win. Mag.(W)
Bullet : .308, 208, Hornady A-MAX 30712
Useable Case Capaci: 82.494 grain H2O = 5.356 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 26.0 inch = 660.4 mm
Powder : Hodgdon H4831 SC
Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !
Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time
% % Grains fps ft.lbs psi psi % ms
-20.0 76 58.80 2316 2478 32131 9071 92.1 1.725
-18.0 78 60.27 2372 2599 34263 9346 93.2 1.682
-16.0 80 61.74 2428 2723 36535 9612 94.3 1.640
-14.0 82 63.21 2484 2850 38958 9867 95.2 1.592
-12.0 84 64.68 2540 2979 41537 10112 96.1 1.545
-10.0 86 66.15 2596 3112 44264 10344 96.9 1.499
-08.0 88 67.62 2651 3247 47151 10562 97.6 1.455
-06.0 90 69.09 2707 3384 50226 10767 98.2 1.413
-04.0 92 70.56 2762 3524 53502 10956 98.7 1.372 ! Near Maximum !
-02.0 94 72.03 2817 3666 56995 11129 99.2 1.333 ! Near Maximum !
+00.0 96 73.50 2872 3810 60722 11284 99.5 1.295 ! Near Maximum !
+02.0 98 74.97 2927 3956 64701 11422 99.8 1.259 !DANGEROUS LOAD-DO NOT USE!
+04.0 99 76.44 2981 4105 68954 11541 99.9 1.224 !DANGEROUS LOAD-DO NOT USE!
+06.0 101 77.91 3035 4255 73503 11641 100.0 1.190 !DANGEROUS LOAD-DO NOT USE!
+08.0 103 79.38 3089 4407 78376 11725 100.0 1.157 !DANGEROUS LOAD-DO NOT USE!
+10.0 105 80.85 3142 4560 83601 11804 100.0 1.125 !DANGEROUS LOAD-DO NOT USE!
Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba 96 73.50 2985 4115 71769 10921 100.0 1.207 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 96 73.50 2713 3399 49828 11156 95.2 1.411
Cartridge : .300 Win. Mag.(W)
Bullet : .308, 208, Hornady A-MAX 30712
Useable Case Capaci: 82.494 grain H2O = 5.356 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 26.0 inch = 660.4 mm
Powder : Hodgdon H1000
Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !
Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time
% % Grains fps ft.lbs psi psi % ms
-20.0 85 64.00 2321 2489 30409 9576 92.0 1.746
-18.0 87 65.60 2383 2623 32564 9884 93.4 1.699
-16.0 89 67.20 2446 2762 34880 10177 94.6 1.653
-14.0 91 68.80 2508 2905 37371 10453 95.7 1.605
-12.0 94 70.40 2571 3052 40056 10708 96.7 1.552
-10.0 96 72.00 2633 3202 42951 10943 97.6 1.502
-08.0 98 73.60 2696 3356 46077 11155 98.4 1.453
-06.0 100 75.20 2758 3514 49456 11341 99.0 1.405
-04.0 102 76.80 2821 3675 53115 11502 99.4 1.360 ! Near Maximum !
-02.0 104 78.40 2883 3838 57080 11634 99.8 1.316 ! Near Maximum !
+00.0 106 80.00 2945 4005 61386 11737 100.0 1.273 ! Near Maximum !
+02.0 108 81.60 3006 4173 66073 11811 100.0 1.232 !DANGEROUS LOAD-DO NOT USE!
+04.0 111 83.20 3067 4344 71178 11871 100.0 1.193 !DANGEROUS LOAD-DO NOT USE!
+06.0 113 84.80 3128 4518 76757 11926 100.0 1.154 !DANGEROUS LOAD-DO NOT USE!
+08.0 115 86.40 3188 4694 82865 11976 100.0 1.117 !DANGEROUS LOAD-DO NOT USE!
+10.0 117 88.00 3248 4873 89571 12019 100.0 1.081 !DANGEROUS LOAD-DO NOT USE!
Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba 106 80.00 3071 4355 75216 11206 100.0 1.176 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 106 80.00 2756 3507 49513 11792 96.0 1.401
Cartridge : .300 Win. Mag.(W)
Bullet : .308, 208, Hornady A-MAX 30712
Useable Case Capaci: 82.494 grain H2O = 5.356 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 26.0 inch = 660.4 mm
Powder : Hodgdon Retumbo
Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !
Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time
% % Grains fps ft.lbs psi psi % ms
-20.0 88 67.52 2381 2618 30362 10489 96.0 1.748
-18.0 91 69.21 2446 2763 32554 10784 97.2 1.701
-16.0 93 70.90 2511 2911 34916 11050 98.1 1.655
-14.0 95 72.58 2575 3063 37464 11285 98.9 1.607
-12.0 97 74.27 2640 3219 40215 11487 99.5 1.553
-10.0 99 75.96 2704 3377 43189 11652 99.8 1.501
-08.0 102 77.65 2768 3538 46406 11780 100.0 1.451
-06.0 104 79.34 2831 3701 49892 11879 100.0 1.403
-04.0 106 81.02 2893 3865 53672 11972 100.0 1.356 ! Near Maximum !
-02.0 108 82.71 2954 4031 57781 12061 100.0 1.311 ! Near Maximum !
+00.0 110 84.40 3016 4200 62250 12145 100.0 1.268 !DANGEROUS LOAD-DO NOT USE!
+02.0 113 86.09 3076 4371 67122 12224 100.0 1.227 !DANGEROUS LOAD-DO NOT USE!
+04.0 115 87.78 3137 4544 72446 12297 100.0 1.186 !DANGEROUS LOAD-DO NOT USE!
+06.0 117 89.46 3197 4720 78271 12365 100.0 1.148 !DANGEROUS LOAD-DO NOT USE!
+08.0 119 91.15 3257 4898 84660 12428 100.0 1.110 !DANGEROUS LOAD-DO NOT USE!
+10.0 121 92.84 3317 5080 91689 12483 100.0 1.074 !DANGEROUS LOAD-DO NOT USE!
Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba 110 84.40 3136 4542 77979 11640 100.0 1.165 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 110 84.40 2827 3690 49274 12724 99.1 1.404
Cartridge : .300 Win. Mag.(W)
Bullet : .308, 208, Hornady A-MAX 30712
Useable Case Capaci: 82.494 grain H2O = 5.356 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 26.0 inch = 660.4 mm
Powder : Vihtavuori N165
Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !
Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time
% % Grains fps ft.lbs psi psi % ms
-20.0 80 60.00 2307 2457 32241 8837 95.5 1.743
-18.0 82 61.50 2361 2575 34390 9071 96.4 1.699
-16.0 84 63.00 2416 2695 36673 9293 97.2 1.657
-14.0 86 64.50 2470 2818 39103 9501 97.9 1.608
-12.0 88 66.00 2524 2943 41688 9695 98.5 1.559
-10.0 90 67.50 2578 3070 44440 9873 99.0 1.513
-08.0 92 69.00 2632 3198 47369 10035 99.4 1.469
-06.0 94 70.50 2685 3329 50488 10180 99.7 1.426
-04.0 96 72.00 2737 3461 53812 10307 99.9 1.385 ! Near Maximum !
-02.0 98 73.50 2790 3594 57356 10415 100.0 1.345 ! Near Maximum !
+00.0 100 75.00 2842 3729 61137 10507 100.0 1.307 ! Near Maximum !
+02.0 102 76.50 2893 3865 65173 10594 100.0 1.270 !DANGEROUS LOAD-DO NOT USE!
+04.0 104 78.00 2944 4003 69487 10678 100.0 1.235 !DANGEROUS LOAD-DO NOT USE!
+06.0 106 79.50 2994 4141 74102 10758 100.0 1.201 !DANGEROUS LOAD-DO NOT USE!
+08.0 108 81.00 3045 4281 79044 10835 100.0 1.168 !DANGEROUS LOAD-DO NOT USE!
+10.0 110 82.50 3095 4423 84344 10909 100.0 1.136 !DANGEROUS LOAD-DO NOT USE!
Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba 100 75.00 2938 3988 72535 10113 100.0 1.218 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 100 75.00 2696 3357 49869 10728 97.9 1.426
You can generate the data for actual case capacity. Deoxygenate water (draw it and let it set in an uncapped container overnight), tare a fired case, now add water with a pipette. The weight of the water at STP yields case volume.
Here's the data with Winchester brass as projected by QL.
Cartridge : .300 Win. Mag.(W)
Bullet : .308, 208, Hornady A-MAX 30712
Useable Case Capaci: 82.494 grain H2O = 5.356 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 26.0 inch = 660.4 mm
Powder : Alliant Reloder-25
Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !
Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time
% % Grains fps ft.lbs psi psi % ms
-20.0 82 62.24 2389 2637 31224 9994 98.1 1.735
-18.0 84 63.80 2448 2768 33369 10226 98.8 1.691
-16.0 86 65.35 2506 2901 35664 10433 99.4 1.649
-14.0 88 66.91 2564 3037 38121 10615 99.7 1.600
-12.0 91 68.46 2622 3175 40754 10771 100.0 1.551
-10.0 93 70.02 2679 3314 43576 10899 100.0 1.503
-08.0 95 71.58 2735 3454 46605 11016 100.0 1.457
-06.0 97 73.13 2790 3595 49854 11131 100.0 1.413
-04.0 99 74.69 2845 3738 53345 11242 100.0 1.370 ! Near Maximum !
-02.0 101 76.24 2899 3882 57099 11350 100.0 1.329 ! Near Maximum !
+00.0 103 77.80 2953 4027 61141 11454 100.0 1.290 ! Near Maximum !
+02.0 105 79.36 3006 4174 65497 11555 100.0 1.252 !DANGEROUS LOAD-DO NOT USE!
+04.0 107 80.91 3059 4323 70176 11651 100.0 1.215 !DANGEROUS LOAD-DO NOT USE!
+06.0 109 82.47 3112 4473 75184 11744 100.0 1.180 !DANGEROUS LOAD-DO NOT USE!
+08.0 111 84.02 3165 4626 80564 11833 100.0 1.146 !DANGEROUS LOAD-DO NOT USE!
+10.0 113 85.58 3217 4780 86352 11917 100.0 1.114 !DANGEROUS LOAD-DO NOT USE!
Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba 103 77.80 3054 4307 75151 11049 100.0 1.194 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 103 77.80 2797 3614 48563 12006 99.7 1.419
Cartridge : .300 Win. Mag.(W)
Bullet : .308, 208, Hornady A-MAX 30712
Useable Case Capaci: 82.494 grain H2O = 5.356 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 26.0 inch = 660.4 mm
Powder : Hodgdon H4831 SC
Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !
Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time
% % Grains fps ft.lbs psi psi % ms
-20.0 76 58.80 2316 2478 32131 9071 92.1 1.725
-18.0 78 60.27 2372 2599 34263 9346 93.2 1.682
-16.0 80 61.74 2428 2723 36535 9612 94.3 1.640
-14.0 82 63.21 2484 2850 38958 9867 95.2 1.592
-12.0 84 64.68 2540 2979 41537 10112 96.1 1.545
-10.0 86 66.15 2596 3112 44264 10344 96.9 1.499
-08.0 88 67.62 2651 3247 47151 10562 97.6 1.455
-06.0 90 69.09 2707 3384 50226 10767 98.2 1.413
-04.0 92 70.56 2762 3524 53502 10956 98.7 1.372 ! Near Maximum !
-02.0 94 72.03 2817 3666 56995 11129 99.2 1.333 ! Near Maximum !
+00.0 96 73.50 2872 3810 60722 11284 99.5 1.295 ! Near Maximum !
+02.0 98 74.97 2927 3956 64701 11422 99.8 1.259 !DANGEROUS LOAD-DO NOT USE!
+04.0 99 76.44 2981 4105 68954 11541 99.9 1.224 !DANGEROUS LOAD-DO NOT USE!
+06.0 101 77.91 3035 4255 73503 11641 100.0 1.190 !DANGEROUS LOAD-DO NOT USE!
+08.0 103 79.38 3089 4407 78376 11725 100.0 1.157 !DANGEROUS LOAD-DO NOT USE!
+10.0 105 80.85 3142 4560 83601 11804 100.0 1.125 !DANGEROUS LOAD-DO NOT USE!
Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba 96 73.50 2985 4115 71769 10921 100.0 1.207 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 96 73.50 2713 3399 49828 11156 95.2 1.411
Cartridge : .300 Win. Mag.(W)
Bullet : .308, 208, Hornady A-MAX 30712
Useable Case Capaci: 82.494 grain H2O = 5.356 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 26.0 inch = 660.4 mm
Powder : Hodgdon H1000
Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !
Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time
% % Grains fps ft.lbs psi psi % ms
-20.0 85 64.00 2321 2489 30409 9576 92.0 1.746
-18.0 87 65.60 2383 2623 32564 9884 93.4 1.699
-16.0 89 67.20 2446 2762 34880 10177 94.6 1.653
-14.0 91 68.80 2508 2905 37371 10453 95.7 1.605
-12.0 94 70.40 2571 3052 40056 10708 96.7 1.552
-10.0 96 72.00 2633 3202 42951 10943 97.6 1.502
-08.0 98 73.60 2696 3356 46077 11155 98.4 1.453
-06.0 100 75.20 2758 3514 49456 11341 99.0 1.405
-04.0 102 76.80 2821 3675 53115 11502 99.4 1.360 ! Near Maximum !
-02.0 104 78.40 2883 3838 57080 11634 99.8 1.316 ! Near Maximum !
+00.0 106 80.00 2945 4005 61386 11737 100.0 1.273 ! Near Maximum !
+02.0 108 81.60 3006 4173 66073 11811 100.0 1.232 !DANGEROUS LOAD-DO NOT USE!
+04.0 111 83.20 3067 4344 71178 11871 100.0 1.193 !DANGEROUS LOAD-DO NOT USE!
+06.0 113 84.80 3128 4518 76757 11926 100.0 1.154 !DANGEROUS LOAD-DO NOT USE!
+08.0 115 86.40 3188 4694 82865 11976 100.0 1.117 !DANGEROUS LOAD-DO NOT USE!
+10.0 117 88.00 3248 4873 89571 12019 100.0 1.081 !DANGEROUS LOAD-DO NOT USE!
Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba 106 80.00 3071 4355 75216 11206 100.0 1.176 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 106 80.00 2756 3507 49513 11792 96.0 1.401
Cartridge : .300 Win. Mag.(W)
Bullet : .308, 208, Hornady A-MAX 30712
Useable Case Capaci: 82.494 grain H2O = 5.356 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 26.0 inch = 660.4 mm
Powder : Hodgdon Retumbo
Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !
Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time
% % Grains fps ft.lbs psi psi % ms
-20.0 88 67.52 2381 2618 30362 10489 96.0 1.748
-18.0 91 69.21 2446 2763 32554 10784 97.2 1.701
-16.0 93 70.90 2511 2911 34916 11050 98.1 1.655
-14.0 95 72.58 2575 3063 37464 11285 98.9 1.607
-12.0 97 74.27 2640 3219 40215 11487 99.5 1.553
-10.0 99 75.96 2704 3377 43189 11652 99.8 1.501
-08.0 102 77.65 2768 3538 46406 11780 100.0 1.451
-06.0 104 79.34 2831 3701 49892 11879 100.0 1.403
-04.0 106 81.02 2893 3865 53672 11972 100.0 1.356 ! Near Maximum !
-02.0 108 82.71 2954 4031 57781 12061 100.0 1.311 ! Near Maximum !
+00.0 110 84.40 3016 4200 62250 12145 100.0 1.268 !DANGEROUS LOAD-DO NOT USE!
+02.0 113 86.09 3076 4371 67122 12224 100.0 1.227 !DANGEROUS LOAD-DO NOT USE!
+04.0 115 87.78 3137 4544 72446 12297 100.0 1.186 !DANGEROUS LOAD-DO NOT USE!
+06.0 117 89.46 3197 4720 78271 12365 100.0 1.148 !DANGEROUS LOAD-DO NOT USE!
+08.0 119 91.15 3257 4898 84660 12428 100.0 1.110 !DANGEROUS LOAD-DO NOT USE!
+10.0 121 92.84 3317 5080 91689 12483 100.0 1.074 !DANGEROUS LOAD-DO NOT USE!
Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba 110 84.40 3136 4542 77979 11640 100.0 1.165 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 110 84.40 2827 3690 49274 12724 99.1 1.404
Cartridge : .300 Win. Mag.(W)
Bullet : .308, 208, Hornady A-MAX 30712
Useable Case Capaci: 82.494 grain H2O = 5.356 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length : 26.0 inch = 660.4 mm
Powder : Vihtavuori N165
Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !
Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time
% % Grains fps ft.lbs psi psi % ms
-20.0 80 60.00 2307 2457 32241 8837 95.5 1.743
-18.0 82 61.50 2361 2575 34390 9071 96.4 1.699
-16.0 84 63.00 2416 2695 36673 9293 97.2 1.657
-14.0 86 64.50 2470 2818 39103 9501 97.9 1.608
-12.0 88 66.00 2524 2943 41688 9695 98.5 1.559
-10.0 90 67.50 2578 3070 44440 9873 99.0 1.513
-08.0 92 69.00 2632 3198 47369 10035 99.4 1.469
-06.0 94 70.50 2685 3329 50488 10180 99.7 1.426
-04.0 96 72.00 2737 3461 53812 10307 99.9 1.385 ! Near Maximum !
-02.0 98 73.50 2790 3594 57356 10415 100.0 1.345 ! Near Maximum !
+00.0 100 75.00 2842 3729 61137 10507 100.0 1.307 ! Near Maximum !
+02.0 102 76.50 2893 3865 65173 10594 100.0 1.270 !DANGEROUS LOAD-DO NOT USE!
+04.0 104 78.00 2944 4003 69487 10678 100.0 1.235 !DANGEROUS LOAD-DO NOT USE!
+06.0 106 79.50 2994 4141 74102 10758 100.0 1.201 !DANGEROUS LOAD-DO NOT USE!
+08.0 108 81.00 3045 4281 79044 10835 100.0 1.168 !DANGEROUS LOAD-DO NOT USE!
+10.0 110 82.50 3095 4423 84344 10909 100.0 1.136 !DANGEROUS LOAD-DO NOT USE!
Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba 100 75.00 2938 3988 72535 10113 100.0 1.218 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 100 75.00 2696 3357 49869 10728 97.9 1.426
You can generate the data for actual case capacity. Deoxygenate water (draw it and let it set in an uncapped container overnight), tare a fired case, now add water with a pipette. The weight of the water at STP yields case volume.
A 208 Amax at 2900+ will clobber the schitt out of anything it touches for about a half-mile or more.... I know from experience. I've only seen one of those bullets recovered, that was out of a 300lb+ black bear shot at 600+ yards. The bear was down instantly, the bullet was in the off side hide and weighed about 120grs.... looked just like every ballistic tip I've ever seen pulled out of a carcass.
The only things on this planet I'd not point that load at.... could bite me in half, or stomp me into raspberry jelly.
The only things on this planet I'd not point that load at.... could bite me in half, or stomp me into raspberry jelly.
- Thread starter
- #10
What does STP stand for?DrMike":1tyqntzd said:
Thanks for the info. I've had this Remington 700CDL in 300WM for about 8 years and I only found one load that would shoot under an inch consistently.
Hornady 180SP InterLock/70gr H4350 and believe me when I say I've tried a lot of different combos, but not the 208 A-Max or Berger 210 H-VLD.
I've had it pillar/glass bedded, played with floating the barrel and pressure points, cut back 1" and new crown when I had a muzzle brake installed.
If i wasn't a professional bum at this moment I would have the guy that built my 6.5 Creedmoor put on a new barrel.
Songdog. If you don't mind me asking , what caliber you shooting the 208 A-Max in?
DrMike
Ballistician
- Nov 8, 2006
- 37,503
- 6,509
STP is standard temperature and pressure. In short, it assumes a temperature of 60 F and an absolute pressure of 1 atmosphere. This has changed in the laboratory today to 0 C and 1 bar. For all practical purposes, assume room temperature at or near sea level to permit you to measure case volume through use of deoxygenated water. In the real world, it is not likely that living at higher altitudes will change the outcome much. Ergo, I simply permit the water to bleed off excess oxygen and come to room temperature before measuring.
- Thread starter
- #12
