Cartridge : .240 Weath. Mag.
Bullet : .243, 105, Berger Hunt BTHP #24528
Useable Case Capaci: 59.971 grain H2O = 3.894 cm³
Cartridge O.A.L. L6: 3.350 inch = 85.09 mm
Barrel Length : 26.0 inch = 660.4 mm
Powder : Norma MRP
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 76 44.00 2659 1648 31405 11051 94.2 1.617
-18.0 78 45.10 2726 1733 33616 11377 95.3 1.575
-16.0 80 46.20 2794 1820 35988 11684 96.4 1.535
-14.0 82 47.30 2861 1909 38537 11972 97.3 1.490
-12.0 84 48.40 2928 1999 41270 12237 98.1 1.443
-10.0 86 49.50 2995 2091 44172 12479 98.7 1.398
-08.0 88 50.60 3061 2185 47249 12696 99.3 1.355
-06.0 90 51.70 3127 2280 50529 12886 99.6 1.313
-04.0 92 52.80 3192 2376 54030 13049 99.9 1.273
-02.0 93 53.90 3257 2473 57767 13183 100.0 1.234 ! Near Maximum !
+00.0 95 55.00 3321 2571 61758 13294 100.0 1.198 ! Near Maximum !
+02.0 97 56.10 3384 2670 66023 13401 100.0 1.162 !DANGEROUS LOAD-DO NOT USE!
+04.0 99 57.20 3447 2770 70584 13504 100.0 1.128 !DANGEROUS LOAD-DO NOT USE!
+06.0 101 58.30 3509 2870 75466 13602 100.0 1.095 !DANGEROUS LOAD-DO NOT USE!
+08.0 103 59.40 3570 2972 80696 13697 100.0 1.063 !DANGEROUS LOAD-DO NOT USE!
+10.0 105 60.50 3631 3074 86305 13787 100.0 1.032 !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 95 55.00 3455 2782 74873 12811 100.0 1.104 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 95 55.00 3120 2270 48894 13500 97.5 1.323
