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Cartridge : .338 Rem Ultra Mag
Bullet : .338, 250, Barnes 'TSX'30415
Useable Case Capaci: 94.462 grain H2O = 6.133 cm³
Cartridge O.A.L. L6: 3.575 inch = 90.81 mm
Barrel Length : 24.0 inch = 609.6 mm
Powder : IMR 7828 SSC
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 86 77.22 2539 3580 45387 11189 97.4 1.426
-09.0 87 78.08 2567 3658 46854 11301 97.7 1.408
-08.0 88 78.94 2595 3737 48372 11409 98.1 1.390
-07.0 89 79.79 2622 3816 49945 11512 98.4 1.372
-06.0 90 80.65 2649 3897 51568 11610 98.7 1.353
-05.0 91 81.51 2677 3978 53258 11703 98.9 1.333
-04.0 92 82.37 2704 4059 55003 11791 99.1 1.314 ! Near Maximum !
-03.0 93 83.23 2731 4142 56810 11873 99.3 1.294 ! Near Maximum !
-02.0 94 84.08 2759 4224 58684 11950 99.5 1.276 ! Near Maximum !
-01.0 95 84.94 2786 4308 60622 12021 99.7 1.257 ! Near Maximum !
+00.0 96 85.80 2813 4392 62636 12086 99.8 1.238 ! Near Maximum !
+01.0 97 86.66 2840 4477 64721 12145 99.9 1.220 !DANGEROUS LOAD-DO NOT USE!
+02.0 98 87.52 2867 4562 66886 12199 100.0 1.203 !DANGEROUS LOAD-DO NOT USE!
+03.0 99 88.37 2893 4647 69128 12245 100.0 1.185 !DANGEROUS LOAD-DO NOT USE!
+04.0 100 89.23 2920 4733 71447 12286 100.0 1.168 !DANGEROUS LOAD-DO NOT USE!
+05.0 101 90.09 2947 4820 73843 12324 100.0 1.151 !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 85.80 2928 4760 75393 11600 100.0 1.148 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 96 85.80 2645 3884 50870 12042 95.6 1.355
Cartridge : .338 Rem Ultra Mag
Bullet : .338, 250, Barnes 'TSX'30415
Useable Case Capaci: 94.462 grain H2O = 6.133 cm³
Cartridge O.A.L. L6: 3.575 inch = 90.81 mm
Barrel Length : 24.0 inch = 609.6 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 88 77.04 2535 3567 46026 11112 98.5 1.441
-09.0 88 77.90 2561 3642 47470 11214 98.8 1.422
-08.0 89 78.75 2588 3717 48960 11311 99.0 1.404
-07.0 90 79.61 2614 3793 50497 11404 99.3 1.386
-06.0 91 80.46 2640 3870 52083 11491 99.4 1.367
-05.0 92 81.32 2667 3947 53720 11574 99.6 1.348
-04.0 93 82.18 2693 4025 55410 11652 99.7 1.329 ! Near Maximum !
-03.0 94 83.03 2719 4103 57153 11725 99.8 1.310 ! Near Maximum !
-02.0 95 83.89 2744 4181 58953 11792 99.9 1.291 ! Near Maximum !
-01.0 96 84.74 2770 4260 60811 11853 100.0 1.273 ! Near Maximum !
+00.0 97 85.60 2796 4339 62730 11910 100.0 1.255 ! Near Maximum !
+01.0 98 86.46 2821 4419 64711 11961 100.0 1.237 !DANGEROUS LOAD-DO NOT USE!
+02.0 99 87.31 2847 4499 66757 12011 100.0 1.220 !DANGEROUS LOAD-DO NOT USE!
+03.0 100 88.17 2872 4579 68871 12060 100.0 1.203 !DANGEROUS LOAD-DO NOT USE!
+04.0 101 89.02 2897 4660 71055 12108 100.0 1.186 !DANGEROUS LOAD-DO NOT USE!
+05.0 102 89.88 2922 4741 73312 12156 100.0 1.170 !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 97 85.60 2901 4672 74763 11470 100.0 1.165 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 97 85.60 2640 3869 50848 12025 97.1 1.373