Quick load please

runtohunt

Handloader
Mar 7, 2012
395
0
I have a 7mm STW. I have 150 grain Swift Scirocco, RL 22 and Fed 215 primers. Don't know if it matters, but my brass is Remington. Thank you
 
Here is what I get.

Cartridge : 7 mm STW
Bullet : .284, 150, Nosler E-Tip 59426
Useable Case Capaci: 87.215 grain H2O = 5.663 cm³
Cartridge O.A.L. L6: 3.650 inch = 92.71 mm
Barrel Length : 26.0 inch = 660.4 mm
Powder : Alliant Reloder-22

Predicted data by increasing and decreasing the given charge,
incremented in steps of 1.0% 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

-10.0 83 67.29 2885 2772 45952 12018 99.0 1.429
-09.0 84 68.04 2914 2828 47347 12121 99.2 1.413
-08.0 85 68.79 2943 2884 48783 12220 99.4 1.397
-07.0 86 69.54 2972 2941 50261 12313 99.6 1.381
-06.0 86 70.28 3001 2999 51782 12401 99.7 1.365
-05.0 87 71.03 3029 3056 53348 12483 99.8 1.345
-04.0 88 71.78 3058 3114 54961 12560 99.9 1.327
-03.0 89 72.53 3086 3172 56621 12631 100.0 1.308
-02.0 90 73.27 3114 3230 58330 12696 100.0 1.290 ! Near Maximum !
-01.0 91 74.02 3142 3289 60089 12755 100.0 1.273 ! Near Maximum !
+00.0 92 74.77 3170 3348 61901 12813 100.0 1.255 ! Near Maximum !
+01.0 93 75.52 3198 3406 63766 12870 100.0 1.238 ! Near Maximum !
+02.0 94 76.27 3226 3465 65687 12927 100.0 1.221 ! Near Maximum !
+03.0 95 77.01 3253 3524 67666 12982 100.0 1.205 !DANGEROUS LOAD-DO NOT USE!
+04.0 96 77.76 3280 3584 69704 13037 100.0 1.189 !DANGEROUS LOAD-DO NOT USE!
+05.0 97 78.51 3307 3643 71804 13091 100.0 1.173 !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 74.77 3285 3594 73052 12400 100.0 1.166 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 92 74.77 3000 2998 50805 12997 97.8 1.371
 
Cartridge : 7 mm STW
Bullet : .284, 150, Nosler E-Tip 59426
Useable Case Capaci: 87.215 grain H2O = 5.663 cm³
Cartridge O.A.L. L6: 3.650 inch = 92.71 mm
Barrel Length : 26.0 inch = 660.4 mm
Powder : Alliant Reloder-22

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 75 61.04 2638 2317 35749 10971 96.0 1.558
-18.0 77 62.57 2698 2425 38013 11254 96.9 1.525
-16.0 79 64.09 2759 2535 40418 11520 97.7 1.492
-14.0 81 65.62 2819 2647 42970 11768 98.4 1.460
-12.0 83 67.14 2879 2760 45678 11997 98.9 1.432
-10.0 84 68.67 2938 2875 48552 12204 99.4 1.400
-08.0 86 70.20 2997 2992 51601 12391 99.7 1.368
-06.0 88 71.72 3056 3110 54836 12554 99.9 1.328
-04.0 90 73.25 3113 3228 58268 12694 100.0 1.291 ! Near Maximum !
-02.0 92 74.77 3170 3348 61911 12814 100.0 1.255 ! Near Maximum !
+00.0 94 76.30 3227 3468 65778 12929 100.0 1.221 ! Near Maximum !
+02.0 96 77.83 3283 3589 69885 13042 100.0 1.187 !DANGEROUS LOAD-DO NOT USE!
+04.0 98 79.35 3338 3711 74249 13151 100.0 1.155 !DANGEROUS LOAD-DO NOT USE!
+06.0 100 80.88 3392 3833 78889 13256 100.0 1.124 !DANGEROUS LOAD-DO NOT USE!
+08.0 101 82.40 3447 3957 83826 13358 100.0 1.095 !DANGEROUS LOAD-DO NOT USE!
+10.0 103 83.93 3501 4081 89083 13455 100.0 1.066 !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 94 76.30 3337 3710 77569 12522 100.0 1.135 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 94 76.30 3061 3121 54003 13221 98.4 1.334

Cartridge : 7 mm STW
Bullet : .284, 150, Swift Scirocco
Useable Case Capaci: 87.966 grain H2O = 5.712 cm³
Cartridge O.A.L. L6: 3.650 inch = 92.71 mm
Barrel Length : 26.0 inch = 660.4 mm
Powder : Alliant Reloder-22

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 75 61.60 2621 2288 34331 11067 95.6 1.624
-18.0 77 63.14 2683 2398 36618 11361 96.5 1.586
-16.0 79 64.68 2745 2510 39045 11638 97.4 1.548
-14.0 81 66.22 2807 2623 41622 11895 98.1 1.504
-12.0 83 67.76 2868 2739 44356 12133 98.8 1.460
-10.0 85 69.30 2928 2856 47256 12348 99.2 1.416
-08.0 86 70.84 2988 2974 50332 12540 99.6 1.375
-06.0 88 72.38 3048 3094 53596 12709 99.9 1.336
-04.0 90 73.92 3107 3215 57059 12852 100.0 1.297 ! Near Maximum !
-02.0 92 75.46 3165 3336 60735 12973 100.0 1.261 ! Near Maximum !
+00.0 94 77.00 3222 3458 64637 13087 100.0 1.225 ! Near Maximum !
+02.0 96 78.54 3279 3581 68781 13199 100.0 1.191 !DANGEROUS LOAD-DO NOT USE!
+04.0 98 80.08 3335 3705 73185 13307 100.0 1.158 !DANGEROUS LOAD-DO NOT USE!
+06.0 100 81.62 3391 3829 77868 13411 100.0 1.127 !DANGEROUS LOAD-DO NOT USE!
+08.0 101 83.16 3446 3954 82851 13512 100.0 1.096 !DANGEROUS LOAD-DO NOT USE!
+10.0 103 84.70 3500 4081 88158 13608 100.0 1.067 !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 94 77.00 3336 3706 76563 12670 100.0 1.138 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 94 77.00 3052 3103 52717 13367 98.3 1.342

The Scirocco is a fine bullet that will work very well in your STW. The E-Tip is (in my opinion) an underrated bullet that will penetrate as well as anyone could ask. Either should serve you very well in your STW.
 
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