Cartridge : .300 Win. Mag.(N)
Bullet : .308, 200, Hornady ELD-X 3076 G7
Useable Case Capaci: 86.096 grain H2O = 5.590 cm³
Cartridge O.A.L. L6: 3.600 inch = 91.44 mm
Barrel Length : 24.0 inch = 609.6 mm
Powder : Hodgdon Retumbo
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 62.89 2108 1973 22004 10102 84.7 1.845
-18.0 81 64.46 2165 2082 23366 10543 86.6 1.801
-16.0 83 66.03 2223 2195 24817 10977 88.3 1.757
-14.0 85 67.60 2282 2313 26363 11402 90.0 1.714
-12.0 87 69.18 2342 2436 28012 11814 91.5 1.672
-10.0 89 70.75 2402 2563 29771 12211 93.0 1.631
-08.0 91 72.32 2463 2695 31648 12591 94.3 1.591
-06.0 93 73.89 2525 2831 33650 12949 95.5 1.552
-04.0 95 75.47 2586 2970 35795 13285 96.6 1.513
-02.0 97 77.04 2648 3114 38085 13595 97.6 1.470
+00.0 99 78.61 2710 3262 40538 13877 98.3 1.424
+02.0 100 80.18 2772 3413 43166 14129 99.0 1.381
+04.0 102 81.75 2834 3567 45982 14349 99.5 1.339
+06.0 104 83.33 2896 3724 49006 14535 99.8 1.298
+08.0 106 84.90 2957 3884 52256 14685 100.0 1.259
+10.0 108 86.47 3019 4047 55752 14801 100.0 1.221 ! Near Maximum !
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 78.61 2886 3698 49970 13509 100.0 1.297
Data for burning rate decreased by 10% relative to nominal value:
-Ba 99 78.61 2473 2715 32650 12944 89.1 1.565