Cartridge : 7.5 x 55 GP11 SWISS
Bullet : .308, 168, Sierra HPBT MatchK 2200
Cartridge O.A.L. L6: 3.059 inch or 77.70 mm
Barrel Length : 29.0 inch or 736.6 mm
Powder : Hodgdon VARGET
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 70 37.20 2236 1865 26193 5275 92.8 1.819
-18.0 72 38.13 2284 1946 27709 5426 93.7 1.780
-16.0 74 39.06 2332 2029 29289 5572 94.6 1.742
-14.0 76 39.99 2380 2114 30936 5715 95.4 1.705
-12.0 77 40.92 2428 2199 32663 5852 96.1 1.669
-10.0 79 41.85 2476 2286 34481 5984 96.8 1.634
-08.0 81 42.78 2523 2374 36392 6111 97.4 1.601
-06.0 83 43.71 2570 2463 38402 6232 97.9 1.563
-04.0 84 44.64 2616 2554 40516 6346 98.4 1.526
-02.0 86 45.57 2663 2645 42739 6455 98.8 1.489
+00.0 88 46.50 2709 2737 45077 6556 99.2 1.454
+02.0 90 47.43 2754 2830 47537 6651 99.5 1.420 ! Near Maximum !
+04.0 91 48.36 2800 2924 50125 6738 99.7 1.387 ! Near Maximum !
+06.0 93 49.29 2844 3018 52850 6817 99.9 1.356 ! Near Maximum !
+08.0 95 50.22 2889 3113 55717 6889 100.0 1.325 !DANGEROUS LOAD-DO NOT USE!
+10.0 97 51.15 2933 3209 58738 6953 100.0 1.296 !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 88 46.50 2809 2944 52486 6373 100.0 1.365 ! Near Maximum !
Data for burning rate decreased by 10% relative to nominal value:
-Ba 88 46.50 2570 2463 37817 6461 94.8 1.571
