Cartridge : 6.8 mm Rem SPC
Bullet : .277, 85, Nosler E-Tip 59543
Useable Case Capaci: 27.958 grain H2O = 1.815 cm³
Cartridge O.A.L. L6: 2.283 inch = 57.99 mm
Barrel Length : 18.0 inch = 457.2 mm
Powder : Accurate 2200
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 83 21.77 2203 916 27480 5098 76.8 1.114
-18.0 85 22.31 2259 963 29278 5284 78.2 1.084
-16.0 87 22.86 2315 1011 31207 5469 79.5 1.054
-14.0 89 23.40 2371 1061 33276 5653 80.9 1.026
-12.0 92 23.94 2428 1112 35497 5835 82.1 0.998
-10.0 94 24.49 2485 1165 37877 6015 83.4 0.970
-08.0 96 25.03 2543 1220 40452 6192 84.6 0.943
-06.0 98 25.58 2601 1276 43203 6365 85.8 0.917
-04.0 100 26.12 2659 1334 46145 6534 87.0 0.891
-02.0 102 26.67 2718 1394 49307 6700 88.1 0.865
+00.0 104 27.21 2777 1455 52723 6859 89.2 0.840 ! Near Maximum !
+02.0 106 27.75 2837 1519 56422 7014 90.3 0.815 ! Near Maximum !
+04.0 108 28.30 2897 1584 60431 7161 91.3 0.791 !DANGEROUS LOAD-DO NOT USE!
+06.0 110 28.84 2957 1650 64787 7302 92.3 0.768 !DANGEROUS LOAD-DO NOT USE!
+08.0 112 29.39 3018 1719 69528 7435 93.2 0.746 !DANGEROUS LOAD-DO NOT USE!
+10.0 114 29.93 3079 1790 74702 7560 94.1 0.724 !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 104 27.21 2935 1626 62405 7143 95.4 0.780 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 104 27.21 2588 1264 43424 6334 80.6 0.914
