Cartridge : .243 Win.
Bullet : .243, 85, Sierra HPBT 1530
Useable Case Capaci: 50.390 grain H2O = 3.272 cm³
Cartridge O.A.L. L6: 2.650 inch = 67.31 mm
Barrel Length : 22.0 inch = 558.8 mm
Powder : Alliant Reloder-19 *C
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 91 42.48 2853 1536 42194 11110 91.9 1.217
-09.0 92 42.95 2886 1572 43618 11255 92.5 1.198
-08.0 93 43.42 2919 1608 45093 11398 93.1 1.180
-07.0 94 43.90 2951 1644 46619 11536 93.7 1.162
-06.0 96 44.37 2984 1681 48198 11672 94.2 1.144
-05.0 97 44.84 3017 1718 49835 11803 94.8 1.127
-04.0 98 45.31 3050 1756 51530 11930 95.3 1.110 ! Near Maximum !
-03.0 99 45.78 3083 1793 53285 12053 95.7 1.093 ! Near Maximum !
-02.0 100 46.26 3115 1832 55101 12172 96.2 1.077 ! Near Maximum !
-01.0 101 46.73 3148 1871 56987 12286 96.6 1.061 ! Near Maximum !
+00.0 102 47.20 3181 1910 58933 12396 97.0 1.045 ! Near Maximum !
+01.0 103 47.67 3214 1949 60939 12500 97.4 1.029 !DANGEROUS LOAD-DO NOT USE!
+02.0 104 48.14 3246 1989 63011 12600 97.8 1.014 !DANGEROUS LOAD-DO NOT USE!
+03.0 105 48.62 3279 2029 65157 12695 98.1 0.999 !DANGEROUS LOAD-DO NOT USE!
+04.0 106 49.09 3312 2070 67380 12784 98.4 0.984 !DANGEROUS LOAD-DO NOT USE!
+05.0 107 49.56 3344 2111 69683 12868 98.7 0.970 !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 102 47.20 3342 2107 70335 12372 99.9 0.967 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 102 47.20 2972 1667 48060 11796 90.0 1.145
