Cartridge : 6 mm Rem. (SAAMI)
Bullet : .243, 85, Sierra HPBT 1530
Useable Case Capaci: 51.508 grain H2O = 3.344 cm³
Cartridge O.A.L. L6: 2.890 inch = 73.41 mm
Barrel Length : 22.0 inch = 558.8 mm
Powder : IMR 4831
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 95 43.29 3015 1716 45718 12046 97.4 1.151
-09.0 96 43.77 3049 1754 47277 12166 97.8 1.133
-08.0 97 44.25 3083 1793 48889 12281 98.2 1.115
-07.0 98 44.73 3116 1833 50555 12390 98.5 1.097
-06.0 99 45.21 3150 1872 52277 12494 98.8 1.080
-05.0 101 45.70 3183 1912 54057 12591 99.0 1.063
-04.0 102 46.18 3216 1953 55898 12683 99.2 1.047 ! Near Maximum !
-03.0 103 46.66 3250 1993 57801 12769 99.4 1.031 ! Near Maximum !
-02.0 104 47.14 3283 2034 59770 12848 99.6 1.015 ! Near Maximum !
-01.0 105 47.62 3316 2075 61807 12921 99.7 1.000 ! Near Maximum !
+00.0 106 48.10 3348 2116 63915 12987 99.9 0.984 ! Near Maximum !
+01.0 107 48.58 3381 2158 66096 13047 99.9 0.970 !DANGEROUS LOAD-DO NOT USE!
+02.0 108 49.06 3414 2200 68354 13100 100.0 0.955 !DANGEROUS LOAD-DO NOT USE!
+03.0 109 49.54 3446 2241 70691 13146 100.0 0.940 !DANGEROUS LOAD-DO NOT USE!
+04.0 110 50.02 3478 2284 73113 13188 100.0 0.926 !DANGEROUS LOAD-DO NOT USE!
+05.0 111 50.51 3511 2326 75621 13228 100.0 0.912 !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 106 48.10 3486 2294 76558 12506 100.0 0.910 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 106 48.10 3148 1870 51479 12957 96.0 1.084
