Cartridge : .243 Win.
Bullet : .243, 75, Sierra HP 1510
Useable Case Capaci: 51.958 grain H2O = 3.374 cm³
Cartridge O.A.L. L6: 2.685 inch = 68.20 mm
Barrel Length : 22.0 inch = 558.8 mm
Powder : Ramshot Hunter
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 89 43.92 3000 1498 42027 11147 93.9 1.170
-09.0 90 44.41 3034 1533 43474 11282 94.4 1.151
-08.0 91 44.90 3068 1568 44972 11413 95.0 1.134
-07.0 92 45.38 3102 1603 46523 11540 95.5 1.116
-06.0 93 45.87 3136 1638 48127 11663 96.0 1.099
-05.0 94 46.36 3170 1674 49798 11780 96.5 1.083
-04.0 95 46.85 3204 1710 51519 11893 96.9 1.066 ! Near Maximum !
-03.0 96 47.34 3238 1747 53292 12000 97.3 1.050 ! Near Maximum !
-02.0 97 47.82 3272 1783 55119 12103 97.7 1.034 ! Near Maximum !
-01.0 98 48.31 3306 1820 57008 12200 98.1 1.019 ! Near Maximum !
+00.0 99 48.80 3340 1858 58962 12291 98.4 1.003 ! Near Maximum !
+01.0 100 49.29 3374 1895 60984 12377 98.7 0.988 !DANGEROUS LOAD-DO NOT USE!
+02.0 101 49.78 3407 1933 63077 12457 98.9 0.974 !DANGEROUS LOAD-DO NOT USE!
+03.0 102 50.26 3441 1971 65243 12531 99.2 0.959 !DANGEROUS LOAD-DO NOT USE!
+04.0 103 50.75 3474 2010 67485 12599 99.4 0.945 !DANGEROUS LOAD-DO NOT USE!
+05.0 104 51.24 3507 2048 69808 12661 99.6 0.931 !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 99 48.80 3428 1957 64804 12255 99.7 0.963 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 5% relative to nominal value:
-Ba 99 48.80 3238 1746 53157 12156 95.9 1.050 ! Near Maximum !Cartridge : 6 mm Rem. (SAAMI)
Bullet : .243, 75, Sierra HP 1510
Useable Case Capaci: 52.313 grain H2O = 3.397 cm³
Cartridge O.A.L. L6: 2.860 inch = 72.64 mm
Barrel Length : 22.0 inch = 558.8 mm
Powder : Ramshot Hunter
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 46.35 3177 1681 45008 12372 93.6 1.086
-09.0 94 46.87 3215 1721 46596 12528 94.2 1.069
-08.0 95 47.38 3253 1762 48248 12680 94.7 1.051
-07.0 96 47.90 3290 1803 49960 12826 95.3 1.035
-06.0 97 48.41 3328 1844 51738 12968 95.8 1.018
-05.0 98 48.93 3366 1886 53581 13105 96.2 1.002
-04.0 99 49.44 3403 1929 55498 13236 96.7 0.986 ! Near Maximum !
-03.0 100 49.96 3441 1972 57488 13361 97.1 0.970 ! Near Maximum !
-02.0 101 50.47 3479 2015 59549 13481 97.5 0.955 ! Near Maximum !
-01.0 102 50.99 3517 2059 61679 13594 97.9 0.940 ! Near Maximum !
+00.0 103 51.50 3554 2104 63882 13701 98.2 0.925 ! Near Maximum !
+01.0 104 52.02 3592 2148 66169 13802 98.5 0.911 !DANGEROUS LOAD-DO NOT USE!
+02.0 105 52.53 3629 2193 68542 13896 98.8 0.897 !DANGEROUS LOAD-DO NOT USE!
+03.0 107 53.05 3667 2239 71005 13983 99.1 0.882 !DANGEROUS LOAD-DO NOT USE!
+04.0 108 53.56 3704 2285 73563 14064 99.3 0.869 !DANGEROUS LOAD-DO NOT USE!
+05.0 109 54.08 3741 2331 76220 14137 99.5 0.855 !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 103 51.50 3649 2218 70346 13668 99.7 0.887 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 5% relative to nominal value:
-Ba 103 51.50 3444 1975 57495 13542 95.6 0.969 ! Near Maximum !
