Cartridge : .243 Win.
Bullet : .243, 75, Sierra HP 1510
Useable Case Capaci: 51.489 grain H2O = 3.343 cm³
Cartridge O.A.L. L6: 2.645 inch = 67.18 mm
Barrel Length : 22.0 inch = 558.8 mm
Powder : IMR 4064
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 84 37.62 2989 1488 44143 10146 97.5 1.139
-09.0 85 38.04 3019 1518 45466 10243 97.8 1.124
-08.0 86 38.46 3048 1547 46825 10336 98.1 1.108
-07.0 87 38.87 3077 1577 48221 10426 98.4 1.093
-06.0 88 39.29 3106 1607 49655 10512 98.6 1.079
-05.0 89 39.71 3135 1637 51129 10595 98.9 1.064
-04.0 90 40.13 3164 1667 52642 10673 99.1 1.050 ! Near Maximum !
-03.0 90 40.55 3192 1697 54198 10748 99.3 1.036 ! Near Maximum !
-02.0 91 40.96 3221 1727 55795 10819 99.5 1.023 ! Near Maximum !
-01.0 92 41.38 3249 1758 57437 10886 99.6 1.009 ! Near Maximum !
+00.0 93 41.80 3277 1788 59124 10948 99.7 0.996 ! Near Maximum !
+01.0 94 42.22 3305 1819 60858 11006 99.8 0.984 !DANGEROUS LOAD-DO NOT USE!
+02.0 95 42.64 3333 1850 62639 11060 99.9 0.971 !DANGEROUS LOAD-DO NOT USE!
+03.0 96 43.05 3360 1880 64470 11110 100.0 0.959 !DANGEROUS LOAD-DO NOT USE!
+04.0 97 43.47 3388 1911 66353 11155 100.0 0.947 !DANGEROUS LOAD-DO NOT USE!
+05.0 98 43.89 3415 1942 68288 11197 100.0 0.935 !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 93 41.80 3394 1918 68490 10627 100.0 0.932 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 93 41.80 3111 1612 49737 10877 96.2 1.081Cartridge : .243 Win.
Bullet : .243, 75, Sierra HP 1510
Useable Case Capaci: 51.489 grain H2O = 3.343 cm³
Cartridge O.A.L. L6: 2.645 inch = 67.18 mm
Barrel Length : 22.0 inch = 558.8 mm
Powder : Alliant Reloder-19
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 93 44.28 2985 1484 42135 10999 90.2 1.163
-09.0 94 44.77 3020 1519 43591 11150 90.9 1.145
-08.0 95 45.26 3055 1554 45098 11297 91.6 1.127
-07.0 96 45.76 3090 1590 46660 11442 92.2 1.109
-06.0 97 46.25 3126 1627 48281 11582 92.8 1.092
-05.0 98 46.74 3161 1664 49961 11719 93.4 1.075
-04.0 100 47.23 3196 1701 51703 11853 94.0 1.059 ! Near Maximum !
-03.0 101 47.72 3232 1739 53510 11981 94.5 1.042 ! Near Maximum !
-02.0 102 48.22 3267 1777 55385 12106 95.0 1.026 ! Near Maximum !
-01.0 103 48.71 3302 1816 57329 12226 95.5 1.010 ! Near Maximum !
+00.0 104 49.20 3338 1855 59350 12341 96.0 0.995 ! Near Maximum !
+01.0 105 49.69 3373 1895 61448 12451 96.5 0.980 !DANGEROUS LOAD-DO NOT USE!
+02.0 106 50.18 3408 1935 63625 12556 96.9 0.965 !DANGEROUS LOAD-DO NOT USE!
+03.0 107 50.68 3444 1975 65880 12656 97.3 0.950 !DANGEROUS LOAD-DO NOT USE!
+04.0 108 51.17 3479 2016 68211 12751 97.7 0.936 !DANGEROUS LOAD-DO NOT USE!
+05.0 109 51.66 3514 2057 70627 12840 98.0 0.921 !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 49.20 3515 2058 71087 12435 99.6 0.919 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 104 49.20 3110 1611 48415 11637 88.4 1.092
