Cartridge : 6 mm Rem. (SAAMI)
Bullet : .243, 80, Sierra SPBT Blitz 1515 G7 Litz
Useable Case Capaci: 51.501 grain H2O = 3.344 cm³
Cartridge O.A.L. L6: 2.835 inch = 72.01 mm
Barrel Length : 24.0 inch = 609.6 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 97 43.92 3165 1780 45528 10893 97.5 1.178
-09.0 98 44.41 3200 1820 47111 10996 97.9 1.160
-08.0 99 44.90 3236 1860 48748 11094 98.2 1.141
-07.0 100 45.38 3271 1900 50442 11187 98.5 1.123
-06.0 101 45.87 3305 1941 52196 11275 98.8 1.106
-05.0 102 46.36 3340 1982 54010 11357 99.1 1.089
-04.0 103 46.85 3375 2023 55888 11433 99.3 1.072 ! Near Maximum !
-03.0 104 47.34 3409 2065 57832 11504 99.5 1.056 ! Near Maximum !
-02.0 105 47.82 3444 2107 59845 11569 99.7 1.039 ! Near Maximum !
-01.0 106 48.31 3478 2149 61930 11628 99.8 1.023 ! Near Maximum !
+00.0 107 48.80 3512 2191 64090 11681 99.9 1.008 ! Near Maximum !
+01.0 108 49.29 3546 2234 66327 11727 100.0 0.993 !DANGEROUS LOAD-DO NOT USE!
+02.0 109 49.78 3580 2277 68646 11767 100.0 0.977 !DANGEROUS LOAD-DO NOT USE!
+03.0 111 50.26 3614 2320 71050 11802 100.0 0.963 !DANGEROUS LOAD-DO NOT USE!
+04.0 112 50.75 3647 2363 73543 11833 100.0 0.948 !DANGEROUS LOAD-DO NOT USE!
+05.0 113 51.24 3680 2406 76129 11864 100.0 0.934 !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 107 48.80 3655 2372 76994 11225 100.0 0.932 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 107 48.80 3304 1939 51451 11693 96.2 1.109Cartridge : 6 mm Rem. (SAAMI)
Bullet : .243, 85, Sierra HPBT 1530
Useable Case Capaci: 50.864 grain H2O = 3.303 cm³
Cartridge O.A.L. L6: 2.835 inch = 72.01 mm
Barrel Length : 24.0 inch = 609.6 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 96 42.93 3086 1797 45608 10822 98.0 1.206
-09.0 97 43.41 3119 1837 47170 10921 98.4 1.187
-08.0 98 43.88 3153 1876 48784 11014 98.7 1.169
-07.0 99 44.36 3187 1917 50453 11102 98.9 1.151
-06.0 100 44.84 3220 1957 52179 11185 99.2 1.133
-05.0 101 45.32 3253 1998 53964 11263 99.4 1.116
-04.0 102 45.79 3287 2039 55810 11335 99.5 1.099 ! Near Maximum !
-03.0 103 46.27 3320 2080 57719 11401 99.7 1.082 ! Near Maximum !
-02.0 104 46.75 3352 2121 59695 11462 99.8 1.066 ! Near Maximum !
-01.0 105 47.22 3385 2163 61739 11516 99.9 1.050 ! Near Maximum !
+00.0 106 47.70 3418 2205 63855 11565 100.0 1.034 ! Near Maximum !
+01.0 107 48.18 3450 2247 66045 11608 100.0 1.019 !DANGEROUS LOAD-DO NOT USE!
+02.0 108 48.65 3482 2289 68313 11645 100.0 1.003 !DANGEROUS LOAD-DO NOT USE!
+03.0 109 49.13 3515 2331 70662 11681 100.0 0.988 !DANGEROUS LOAD-DO NOT USE!
+04.0 110 49.61 3546 2374 73096 11715 100.0 0.974 !DANGEROUS LOAD-DO NOT USE!
+05.0 112 50.09 3578 2417 75618 11749 100.0 0.959 !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 47.70 3551 2380 76562 11112 100.0 0.957 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 106 47.70 3221 1958 51375 11649 96.7 1.137
