Cartridge : .243 Win.
Bullet : .243, 80, Hornady GMX 24370
Useable Case Capaci: 49.201 grain H2O = 3.195 cm³
Cartridge O.A.L. L6: 2.710 inch = 68.83 mm
Barrel Length : 20.0 inch = 508.0 mm
Powder : IMR 4064
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 30.40 2513 1122 36846 9323 93.6 1.124
-18.0 73 31.16 2567 1171 38587 9566 94.4 1.139
-16.0 74 31.92 2620 1220 40424 9803 95.2 1.117
-14.0 76 32.68 2674 1270 42362 10033 95.9 1.094
-12.0 78 33.44 2726 1320 44404 10255 96.6 1.073
-10.0 80 34.20 2779 1372 46556 10468 97.2 1.052
-08.0 82 34.96 2831 1423 48821 10671 97.8 1.032
-06.0 83 35.72 2883 1476 51206 10865 98.3 1.012 ! Near Maximum !
-04.0 85 36.48 2934 1529 53715 11047 98.8 0.993 ! Near Maximum !
-02.0 87 37.24 2985 1583 56356 11218 99.1 0.974 ! Near Maximum !
+00.0 89 38.00 3036 1637 59135 11377 99.4 0.955 ! Near Maximum !