300 Remington Ultra Magnum

[Torbjorn]

Could someone please post some QL Data for the following:

Cartridge : .300 Rem Ultra Mag
Bullet: .308, 190 Grain AccuBond LR
Cartridge O.A.L.: 3.60 inch
Free bore 0.118 inch
Brass Norma
Barrel Length: 30.0 inch
Twist 1-10 5R
Because I live in Sweden so it is Norma and Vihtavuori gunpowder which I can most easily obtain.
Powder: Norma MRP and 217. Vihtavuori N560,N570

Cartridge : .300 Rem Ultra Mag
Bullet: .308, 180 Grain AccuBond
Cartridge O.A.L.: 3.60 inch
Free bore 0.118 inch
Brass Norma
Barrel Length: 30.0 inch
Twist 1-10 5R
Powder: Norma MRP and 217. Vihtavuori N560,N570

Cartridge : .300 Rem Ultra Mag
Bullet: .308, 200 Grain AccuBond
Cartridge O.A.L.: 3.60 inch
Free bore 0.118 inch
Brass Norma
Barrel Length: 30.0 inch
Twist 1-10 5R
Powder: Norma MRP and 217. Vihtavuori N560,N570


Thanks for taking your time to work these up

Best Regards

Torbjorn

 

[DrMike]

Cartridge : .300 Rem Ultra Mag
Bullet : .308, 190, Nosler AccuBond LR 58456 G7
Useable Case Capaci: 99.982 grain H2O = 6.492 cm³
Cartridge O.A.L. L6: 3.598 inch = 91.39 mm
Barrel Length : 30.0 inch = 762.0 mm
Powder : Norma MRP

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 72 69.20 2611 2877 33419 9161 98.9 1.862
-18.0 74 70.93 2670 3007 35707 9337 99.4 1.816
-16.0 76 72.66 2728 3139 38135 9493 99.7 1.766
-14.0 77 74.39 2785 3272 40709 9628 99.9 1.713
-12.0 79 76.12 2841 3405 43440 9740 100.0 1.664
-10.0 81 77.85 2896 3539 46336 9841 100.0 1.616
-08.0 83 79.58 2950 3673 49407 9940 100.0 1.570
-06.0 85 81.31 3004 3807 52662 10036 100.0 1.526
-04.0 86 83.04 3057 3942 56114 10130 100.0 1.483 ! Near Maximum !
-02.0 88 84.77 3109 4077 59775 10221 100.0 1.443 ! Near Maximum !
+00.0 90 86.50 3160 4213 63659 10310 100.0 1.404 ! Near Maximum !
+02.0 92 88.23 3211 4350 67780 10396 100.0 1.366 !DANGEROUS LOAD-DO NOT USE!
+04.0 94 89.96 3261 4487 72155 10479 100.0 1.330 !DANGEROUS LOAD-DO NOT USE!
+06.0 95 91.69 3311 4625 76801 10559 100.0 1.296 !DANGEROUS LOAD-DO NOT USE!
+08.0 97 93.42 3360 4764 81740 10636 100.0 1.262 !DANGEROUS LOAD-DO NOT USE!
+10.0 99 95.15 3409 4904 86993 10710 100.0 1.230 !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 90 86.50 3254 4467 75945 9998 100.0 1.307 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 90 86.50 3017 3841 51324 10760 100.0 1.537



Cartridge : .300 Rem Ultra Mag
Bullet : .308, 190, Nosler AccuBond LR 58456 G7
Useable Case Capaci: 99.982 grain H2O = 6.492 cm³
Cartridge O.A.L. L6: 3.598 inch = 91.39 mm
Barrel Length : 30.0 inch = 762.0 mm
Powder : Norma 217

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 76.64 2578 2804 30509 9601 98.2 1.935
-18.0 87 78.56 2643 2948 32861 9797 98.9 1.884
-16.0 89 80.47 2708 3094 35413 9964 99.5 1.835
-14.0 91 82.39 2772 3242 38183 10100 99.8 1.780
-12.0 93 84.30 2835 3392 41149 10204 100.0 1.720
-10.0 95 86.22 2897 3542 44313 10284 100.0 1.664
-08.0 97 88.14 2958 3693 47707 10359 100.0 1.610
-06.0 99 90.05 3019 3844 51350 10431 100.0 1.559
-04.0 101 91.97 3078 3996 55263 10501 100.0 1.509 ! Near Maximum !
-02.0 103 93.88 3136 4149 59467 10566 100.0 1.462 ! Near Maximum !
+00.0 106 95.80 3194 4303 63986 10628 100.0 1.416 ! Near Maximum !
+02.0 108 97.72 3251 4458 68849 10687 100.0 1.372 !DANGEROUS LOAD-DO NOT USE!
+04.0 110 99.63 3307 4615 74086 10741 100.0 1.330 !DANGEROUS LOAD-DO NOT USE!
+06.0 112 101.55 3363 4772 79732 10792 100.0 1.290 !DANGEROUS LOAD-DO NOT USE!
+08.0 114 103.46 3419 4931 85827 10838 100.0 1.251 !DANGEROUS LOAD-DO NOT USE!
+10.0 116 105.38 3474 5092 92414 10880 100.0 1.213 !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 95.80 3307 4614 79406 10220 100.0 1.301 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 106 95.80 3018 3842 48883 11224 99.9 1.577



Cartridge : .300 Rem Ultra Mag
Bullet : .308, 190, Nosler AccuBond LR 58456 G7
Useable Case Capaci: 99.982 grain H2O = 6.492 cm³
Cartridge O.A.L. L6: 3.598 inch = 91.39 mm
Barrel Length : 30.0 inch = 762.0 mm
Powder : Vihtavuori N560

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 74 69.36 2617 2890 33974 9302 96.2 1.840
-18.0 75 71.09 2677 3024 36266 9529 97.0 1.794
-16.0 77 72.83 2737 3161 38688 9740 97.8 1.743
-14.0 79 74.56 2796 3299 41257 9935 98.5 1.691
-12.0 81 76.30 2855 3439 43980 10111 99.0 1.643
-10.0 83 78.03 2913 3580 46868 10269 99.5 1.596
-08.0 85 79.76 2970 3722 49928 10407 99.8 1.551
-06.0 87 81.50 3027 3865 53172 10525 99.9 1.507
-04.0 88 83.23 3083 4009 56611 10622 100.0 1.466 ! Near Maximum !
-02.0 90 84.97 3138 4153 60258 10706 100.0 1.426 ! Near Maximum !
+00.0 92 86.70 3192 4298 64125 10789 100.0 1.387 ! Near Maximum !
+02.0 94 88.43 3245 4443 68229 10868 100.0 1.350 !DANGEROUS LOAD-DO NOT USE!
+04.0 96 90.17 3298 4588 72584 10945 100.0 1.315 !DANGEROUS LOAD-DO NOT USE!
+06.0 98 91.90 3350 4734 77208 11019 100.0 1.281 !DANGEROUS LOAD-DO NOT USE!
+08.0 99 93.64 3401 4881 82123 11090 100.0 1.248 !DANGEROUS LOAD-DO NOT USE!
+10.0 101 95.37 3452 5029 87348 11158 100.0 1.216 !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 92 86.70 3297 4586 76090 10415 100.0 1.292 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 92 86.70 3032 3877 52214 11107 98.6 1.516



Cartridge : .300 Rem Ultra Mag
Bullet : .308, 190, Nosler AccuBond LR 58456 G7
Useable Case Capaci: 99.982 grain H2O = 6.492 cm³
Cartridge O.A.L. L6: 3.598 inch = 91.39 mm
Barrel Length : 30.0 inch = 762.0 mm
Powder : Vihtavuori N570

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 77.60 2578 2803 30852 9912 90.8 1.911
-18.0 82 79.54 2647 2955 33162 10226 92.3 1.861
-16.0 84 81.48 2716 3111 35657 10523 93.7 1.813
-14.0 86 83.42 2785 3272 38355 10801 94.9 1.758
-12.0 88 85.36 2854 3436 41276 11059 96.1 1.699
-10.0 90 87.30 2922 3603 44435 11294 97.1 1.643
-08.0 92 89.24 2991 3774 47816 11504 97.9 1.590
-06.0 94 91.18 3059 3948 51432 11689 98.6 1.538
-04.0 96 93.12 3127 4124 55321 11847 99.2 1.489 ! Near Maximum !
-02.0 98 95.06 3194 4303 59505 11976 99.6 1.441 ! Near Maximum !
+00.0 100 97.00 3260 4483 64010 12075 99.9 1.395 ! Near Maximum !
+02.0 102 98.94 3325 4665 68864 12143 100.0 1.351 !DANGEROUS LOAD-DO NOT USE!
+04.0 104 100.88 3390 4849 74101 12187 100.0 1.309 !DANGEROUS LOAD-DO NOT USE!
+06.0 106 102.82 3454 5033 79756 12226 100.0 1.268 !DANGEROUS LOAD-DO NOT USE!
+08.0 108 104.76 3517 5219 85871 12260 100.0 1.229 !DANGEROUS LOAD-DO NOT USE!
+10.0 110 106.70 3580 5406 92493 12290 100.0 1.191 !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 97.00 3408 4901 78944 11535 100.0 1.280 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 100 97.00 3039 3898 49711 12070 95.5 1.552

 

[DrMike]

Cartridge : .300 Rem Ultra Mag
Cartridge : .300 Rem Ultra Mag
Bullet : .308, 180, Nosler AccuBond 54825
Useable Case Capaci: 100.857 grain H2O = 6.549 cm³
Cartridge O.A.L. L6: 3.598 inch = 91.39 mm
Barrel Length : 30.0 inch = 762.0 mm
Powder : Norma MRP

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 73 70.64 2671 2851 33366 9229 98.5 1.822
-18.0 75 72.41 2732 2982 35694 9415 99.1 1.776
-16.0 76 74.17 2792 3115 38156 9579 99.5 1.728
-14.0 78 75.94 2851 3249 40770 9722 99.8 1.676
-12.0 80 77.70 2910 3383 43547 9843 100.0 1.626
-10.0 82 79.47 2967 3519 46496 9942 100.0 1.579
-08.0 84 81.24 3024 3654 49626 10037 100.0 1.533
-06.0 86 83.00 3079 3790 52950 10129 100.0 1.489
-04.0 87 84.77 3134 3926 56479 10218 100.0 1.448 ! Near Maximum !
-02.0 89 86.53 3188 4062 60226 10305 100.0 1.407 ! Near Maximum !
+00.0 91 88.30 3241 4199 64207 10389 100.0 1.369 ! Near Maximum !
+02.0 93 90.07 3294 4337 68438 10471 100.0 1.332 !DANGEROUS LOAD-DO NOT USE!
+04.0 95 91.83 3346 4475 72936 10549 100.0 1.296 !DANGEROUS LOAD-DO NOT USE!
+06.0 96 93.60 3398 4614 77721 10625 100.0 1.262 !DANGEROUS LOAD-DO NOT USE!
+08.0 98 95.36 3449 4755 82814 10697 100.0 1.229 !DANGEROUS LOAD-DO NOT USE!
+10.0 100 97.13 3500 4896 88241 10766 100.0 1.197 !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 91 88.30 3340 4460 76743 10069 100.0 1.273 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 91 88.30 3091 3818 51654 10842 99.9 1.500


Cartridge : .300 Rem Ultra Mag
Bullet : .308, 180, Nosler AccuBond 54825
Useable Case Capaci: 100.857 grain H2O = 6.549 cm³
Cartridge O.A.L. L6: 3.598 inch = 91.39 mm
Barrel Length : 30.0 inch = 762.0 mm
Powder : Norma 217

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 78.08 2627 2759 30251 9632 97.6 1.898
-18.0 87 80.03 2695 2903 32596 9843 98.5 1.849
-16.0 90 81.98 2763 3050 35142 10024 99.2 1.800
-14.0 92 83.94 2829 3199 37909 10174 99.7 1.746
-12.0 94 85.89 2895 3350 40913 10290 99.9 1.688
-10.0 96 87.84 2960 3502 44122 10374 100.0 1.632
-08.0 98 89.79 3024 3654 47560 10444 100.0 1.578
-06.0 100 91.74 3086 3807 51257 10510 100.0 1.527
-04.0 102 93.70 3148 3961 55234 10574 100.0 1.477 ! Near Maximum !
-02.0 104 95.65 3209 4115 59513 10634 100.0 1.430 ! Near Maximum !
+00.0 107 97.60 3269 4270 64122 10690 100.0 1.385 ! Near Maximum !
+02.0 109 99.55 3328 4427 69090 10742 100.0 1.341 !DANGEROUS LOAD-DO NOT USE!
+04.0 111 101.50 3387 4584 74450 10791 100.0 1.300 !DANGEROUS LOAD-DO NOT USE!
+06.0 113 103.46 3445 4743 80239 10835 100.0 1.259 !DANGEROUS LOAD-DO NOT USE!
+08.0 115 105.41 3503 4904 86501 10875 100.0 1.221 !DANGEROUS LOAD-DO NOT USE!
+10.0 117 107.36 3560 5066 93284 10911 100.0 1.183 !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 107 97.60 3388 4589 79794 10270 100.0 1.271 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 107 97.60 3082 3797 48862 11284 99.8 1.544

Cartridge : .300 Rem Ultra Mag
Bullet : .308, 180, Nosler AccuBond 54825
Useable Case Capaci: 100.857 grain H2O = 6.549 cm³
Cartridge O.A.L. L6: 3.598 inch = 91.39 mm
Barrel Length : 30.0 inch = 762.0 mm
Powder : Vihtavuori N560

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 74 70.16 2654 2815 33136 9254 95.2 1.816
-18.0 76 71.91 2716 2948 35411 9492 96.2 1.771
-16.0 78 73.67 2777 3083 37800 9715 97.1 1.724
-14.0 79 75.42 2838 3219 40326 9921 97.9 1.673
-12.0 81 77.18 2899 3358 43007 10110 98.5 1.624
-10.0 83 78.93 2959 3498 45852 10281 99.0 1.577
-08.0 85 80.68 3018 3640 48869 10432 99.5 1.533
-06.0 87 82.44 3076 3783 52070 10563 99.8 1.489
-04.0 89 84.19 3134 3926 55465 10674 99.9 1.448 ! Near Maximum !
-02.0 90 85.95 3191 4070 59068 10763 100.0 1.408 ! Near Maximum !
+00.0 92 87.70 3247 4215 62892 10841 100.0 1.370 ! Near Maximum !
+02.0 94 89.45 3303 4360 66952 10916 100.0 1.333 !DANGEROUS LOAD-DO NOT USE!
+04.0 96 91.21 3357 4505 71263 10988 100.0 1.297 !DANGEROUS LOAD-DO NOT USE!
+06.0 98 92.96 3411 4650 75845 11058 100.0 1.263 !DANGEROUS LOAD-DO NOT USE!
+08.0 100 94.72 3464 4797 80717 11125 100.0 1.230 !DANGEROUS LOAD-DO NOT USE!
+10.0 102 96.47 3517 4944 85901 11188 100.0 1.199 !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 92 87.70 3360 4514 74784 10453 100.0 1.274 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 92 87.70 3077 3783 51097 11082 98.0 1.499

Cartridge : .300 Rem Ultra Mag
Bullet : .308, 180, Nosler AccuBond 54825
Useable Case Capaci: 100.857 grain H2O = 6.549 cm³
Cartridge O.A.L. L6: 3.598 inch = 91.39 mm
Barrel Length : 30.0 inch = 762.0 mm
Powder : Vihtavuori N570

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 79.04 2625 2754 30655 9876 89.8 1.876
-18.0 83 81.02 2696 2906 32967 10199 91.4 1.825
-16.0 85 82.99 2768 3062 35466 10505 92.8 1.777
-14.0 87 84.97 2839 3222 38172 10793 94.2 1.724
-12.0 89 86.94 2911 3386 41101 11060 95.4 1.666
-10.0 91 88.92 2982 3554 44276 11304 96.5 1.611
-08.0 93 90.90 3053 3725 47713 11524 97.5 1.558
-06.0 95 92.87 3124 3900 51388 11718 98.3 1.507
-04.0 97 94.85 3194 4077 55339 11884 98.9 1.458 ! Near Maximum !
-02.0 99 96.82 3263 4257 59596 12022 99.4 1.411 ! Near Maximum !
+00.0 101 98.80 3332 4439 64188 12129 99.8 1.365 ! Near Maximum !
+02.0 103 100.78 3401 4622 69145 12204 100.0 1.321 !DANGEROUS LOAD-DO NOT USE!
+04.0 105 102.75 3468 4807 74502 12248 100.0 1.279 !DANGEROUS LOAD-DO NOT USE!
+06.0 107 104.73 3535 4994 80297 12279 100.0 1.239 !DANGEROUS LOAD-DO NOT USE!
+08.0 109 106.70 3601 5181 86577 12306 100.0 1.200 !DANGEROUS LOAD-DO NOT USE!
+10.0 111 108.68 3666 5370 93391 12328 100.0 1.162 !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 101 98.80 3490 4867 79337 11595 100.0 1.250 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 101 98.80 3102 3845 49791 12051 94.9 1.519

 

[DrMike]

Cartridge : .300 Rem Ultra Mag
Bullet : .308, 200, Nosler AccuBond 54618
Useable Case Capaci: 98.799 grain H2O = 6.415 cm³
Cartridge O.A.L. L6: 3.598 inch = 91.39 mm
Barrel Length : 30.0 inch = 762.0 mm
Powder : Vihtavuori N570

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 76.16 2532 2848 31132 9937 91.7 1.943
-18.0 81 78.06 2599 3000 33452 10242 93.1 1.892
-16.0 83 79.97 2666 3157 35956 10531 94.4 1.843
-14.0 85 81.87 2733 3318 38663 10799 95.6 1.785
-12.0 87 83.78 2800 3482 41590 11047 96.6 1.727
-10.0 89 85.68 2867 3649 44732 11273 97.6 1.670
-08.0 91 87.58 2933 3820 48080 11474 98.3 1.616
-06.0 93 89.49 2998 3993 51670 11649 98.9 1.564
-04.0 95 91.39 3064 4168 55526 11797 99.4 1.515 ! Near Maximum !
-02.0 97 93.30 3128 4346 59670 11917 99.8 1.467 ! Near Maximum !
+00.0 99 95.20 3192 4525 64126 12008 100.0 1.421 ! Near Maximum !
+02.0 101 97.10 3255 4706 68921 12069 100.0 1.377 !DANGEROUS LOAD-DO NOT USE!
+04.0 103 99.01 3318 4888 74088 12118 100.0 1.334 !DANGEROUS LOAD-DO NOT USE!
+06.0 105 100.91 3379 5071 79659 12163 100.0 1.293 !DANGEROUS LOAD-DO NOT USE!
+08.0 107 102.82 3440 5255 85675 12203 100.0 1.253 !DANGEROUS LOAD-DO NOT USE!
+10.0 109 104.72 3500 5441 92180 12240 100.0 1.215 !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 95.20 3333 4933 78939 11469 100.0 1.304 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 99 95.20 2982 3948 49862 12077 96.1 1.579


Cartridge : .300 Rem Ultra Mag
Bullet : .308, 200, Nosler AccuBond 54618
Useable Case Capaci: 98.799 grain H2O = 6.415 cm³
Cartridge O.A.L. L6: 3.598 inch = 91.39 mm
Barrel Length : 30.0 inch = 762.0 mm
Powder : Vihtavuori N560

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 73 67.60 2550 2887 33645 9210 96.5 1.884
-18.0 74 69.29 2608 3020 35876 9432 97.4 1.838
-16.0 76 70.98 2665 3155 38237 9638 98.1 1.787
-14.0 78 72.67 2723 3292 40738 9828 98.7 1.735
-12.0 80 74.36 2779 3430 43386 10001 99.2 1.686
-10.0 82 76.05 2835 3569 46190 10155 99.6 1.638
-08.0 84 77.74 2890 3709 49158 10290 99.8 1.592
-06.0 85 79.43 2945 3851 52301 10406 100.0 1.548
-04.0 87 81.12 2998 3992 55627 10502 100.0 1.506 ! Near Maximum !
-02.0 89 82.81 3051 4135 59150 10591 100.0 1.466 ! Near Maximum !
+00.0 91 84.50 3103 4277 62880 10678 100.0 1.427 ! Near Maximum !
+02.0 93 86.19 3155 4420 66833 10762 100.0 1.389 !DANGEROUS LOAD-DO NOT USE!
+04.0 94 87.88 3206 4564 71021 10843 100.0 1.353 !DANGEROUS LOAD-DO NOT USE!
+06.0 96 89.57 3256 4708 75462 10922 100.0 1.318 !DANGEROUS LOAD-DO NOT USE!
+08.0 98 91.26 3306 4853 80173 10997 100.0 1.285 !DANGEROUS LOAD-DO NOT USE!
+10.0 100 92.95 3355 4998 85174 11070 100.0 1.253 !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 91 84.50 3204 4560 74532 10312 100.0 1.329 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 91 84.50 2950 3865 51267 11010 98.8 1.558


Cartridge : .300 Rem Ultra Mag
Bullet : .308, 200, Nosler AccuBond 54618
Useable Case Capaci: 98.799 grain H2O = 6.415 cm³
Cartridge O.A.L. L6: 3.598 inch = 91.39 mm
Barrel Length : 30.0 inch = 762.0 mm
Powder : Norma 217

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 75.12 2528 2838 30746 9550 98.6 1.968
-18.0 86 77.00 2591 2982 33103 9734 99.3 1.918
-16.0 88 78.88 2654 3127 35660 9889 99.7 1.867
-14.0 90 80.75 2715 3274 38417 10012 100.0 1.810
-12.0 92 82.63 2776 3422 41346 10106 100.0 1.751
-10.0 94 84.51 2836 3571 44478 10189 100.0 1.694
-08.0 96 86.39 2894 3720 47835 10269 100.0 1.640
-06.0 98 88.27 2952 3870 51433 10346 100.0 1.588
-04.0 101 90.14 3009 4021 55293 10420 100.0 1.538 ! Near Maximum !
-02.0 103 92.02 3065 4172 59434 10491 100.0 1.490 ! Near Maximum !
+00.0 105 93.90 3121 4325 63880 10558 100.0 1.445 ! Near Maximum !
+02.0 107 95.78 3176 4479 68657 10621 100.0 1.400 !DANGEROUS LOAD-DO NOT USE!
+04.0 109 97.66 3230 4634 73793 10681 100.0 1.358 !DANGEROUS LOAD-DO NOT USE!
+06.0 111 99.53 3284 4790 79322 10736 100.0 1.317 !DANGEROUS LOAD-DO NOT USE!
+08.0 113 101.41 3338 4948 85281 10788 100.0 1.278 !DANGEROUS LOAD-DO NOT USE!
+10.0 115 103.29 3392 5108 91711 10835 100.0 1.241 !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 93.90 3228 4628 79096 10159 100.0 1.328 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 105 93.90 2954 3875 48922 11147 100.0 1.607


Cartridge : .300 Rem Ultra Mag
Bullet : .308, 200, Nosler AccuBond 54618
Useable Case Capaci: 98.799 grain H2O = 6.415 cm³
Cartridge O.A.L. L6: 3.598 inch = 91.39 mm
Barrel Length : 30.0 inch = 762.0 mm
Powder : Norma MRP

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 71 67.60 2549 2886 33323 9069 99.1 1.903
-18.0 73 69.29 2605 3015 35572 9238 99.6 1.856
-16.0 75 70.98 2661 3145 37957 9387 99.8 1.805
-14.0 76 72.67 2716 3276 40485 9515 100.0 1.753
-12.0 78 74.36 2770 3408 43162 9624 100.0 1.702
-10.0 80 76.05 2823 3540 45998 9729 100.0 1.653
-08.0 82 77.74 2876 3673 49001 9831 100.0 1.607
-06.0 84 79.43 2927 3806 52181 9931 100.0 1.562
-04.0 85 81.12 2978 3939 55550 10028 100.0 1.519 ! Near Maximum !
-02.0 87 82.81 3028 4073 59117 10123 100.0 1.479 ! Near Maximum !
+00.0 89 84.50 3078 4207 62897 10216 100.0 1.439 ! Near Maximum !
+02.0 91 86.19 3127 4342 66902 10305 100.0 1.401 !DANGEROUS LOAD-DO NOT USE!
+04.0 92 87.88 3175 4478 71149 10392 100.0 1.365 !DANGEROUS LOAD-DO NOT USE!
+06.0 94 89.57 3224 4615 75653 10476 100.0 1.330 !DANGEROUS LOAD-DO NOT USE!
+08.0 96 91.26 3271 4752 80433 10557 100.0 1.296 !DANGEROUS LOAD-DO NOT USE!
+10.0 98 92.95 3319 4891 85510 10635 100.0 1.263 !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 89 84.50 3167 4455 74930 9911 100.0 1.340 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 89 84.50 2942 3844 50795 10659 100.0 1.574

 

[Torbjorn]

thanks for all the work you have done to help me with load data.

now it is just to start developing a good laddnin to my cutom rifle

Best Regards
Torbjörn Tuwesson

 

[DrMike]

Let us know what load works for you.