Cartridge : .243 Win.
Bullet : .243, 70, Speer HP TNT 1206
Useable Case Capaci: 52.018 grain H2O = 3.377 cm³
Cartridge O.A.L. L6: 2.685 inch = 68.20 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 94 45.18 3053 1449 41986 10867 89.2 1.137
-09.0 95 45.68 3090 1484 43454 11020 89.9 1.119
-08.0 96 46.18 3126 1519 44974 11170 90.6 1.102
-07.0 97 46.69 3163 1555 46553 11317 91.3 1.084
-06.0 98 47.19 3199 1591 48190 11460 91.9 1.067
-05.0 99 47.69 3236 1628 49888 11599 92.6 1.051
-04.0 101 48.19 3273 1665 51651 11734 93.2 1.034 ! Near Maximum !
-03.0 102 48.69 3309 1702 53480 11866 93.8 1.018 ! Near Maximum !
-02.0 103 49.20 3346 1740 55379 11993 94.3 1.002 ! Near Maximum !
-01.0 104 49.70 3383 1779 57352 12115 94.9 0.987 ! Near Maximum !
+00.0 105 50.20 3420 1818 59401 12233 95.4 0.971 ! Near Maximum !
+01.0 106 50.70 3456 1857 61530 12346 95.9 0.956 !DANGEROUS LOAD-DO NOT USE!
+02.0 107 51.20 3493 1897 63743 12454 96.3 0.942 !DANGEROUS LOAD-DO NOT USE!
+03.0 108 51.71 3530 1937 66043 12556 96.8 0.927 !DANGEROUS LOAD-DO NOT USE!
+04.0 109 52.21 3567 1977 68436 12653 97.2 0.913 !DANGEROUS LOAD-DO NOT USE!
+05.0 110 52.71 3603 2018 70915 12745 97.6 0.899 !DANGEROUS LOAD-DO NOT USE!
Results caused by ± 5% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 5% relative to nominal value:
+Ba 105 50.20 3520 1925 65321 12384 97.9 0.932 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 5% relative to nominal value:
-Ba 105 50.20 3307 1700 53756 11931 91.9 1.016 ! Near Maximum !Cartridge : .243 Win.
Bullet : .243, 70, Speer HP TNT 1206
Useable Case Capaci: 52.018 grain H2O = 3.377 cm³
Cartridge O.A.L. L6: 2.685 inch = 68.20 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 85 38.43 3068 1463 44074 10125 96.9 1.112
-09.0 86 38.86 3099 1492 45414 10224 97.2 1.097
-08.0 87 39.28 3129 1522 46791 10320 97.6 1.081
-07.0 88 39.71 3159 1551 48206 10413 97.9 1.067
-06.0 89 40.14 3190 1581 49660 10502 98.2 1.052
-05.0 90 40.57 3220 1611 51156 10588 98.5 1.038
-04.0 91 40.99 3249 1641 52693 10669 98.7 1.024 ! Near Maximum !
-03.0 91 41.42 3279 1671 54273 10747 99.0 1.011 ! Near Maximum !
-02.0 92 41.85 3309 1702 55897 10820 99.2 0.997 ! Near Maximum !
-01.0 93 42.27 3338 1732 57568 10890 99.4 0.984 ! Near Maximum !
+00.0 94 42.70 3368 1763 59285 10955 99.5 0.971 ! Near Maximum !
+01.0 95 43.13 3397 1793 61051 11017 99.7 0.959 !DANGEROUS LOAD-DO NOT USE!
+02.0 96 43.55 3426 1824 62867 11074 99.8 0.946 !DANGEROUS LOAD-DO NOT USE!
+03.0 97 43.98 3455 1855 64735 11126 99.9 0.934 !DANGEROUS LOAD-DO NOT USE!
+04.0 98 44.41 3483 1886 66656 11174 99.9 0.922 !DANGEROUS LOAD-DO NOT USE!
+05.0 99 44.84 3512 1917 68632 11218 100.0 0.910 !DANGEROUS LOAD-DO NOT USE!
Results caused by ± 5% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 5% relative to nominal value:
+Ba 94 42.70 3436 1835 64043 10827 100.0 0.937 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 5% relative to nominal value:
-Ba 94 42.70 3287 1679 54526 10957 98.1 1.010 ! Near Maximum !
