Ridge_Runner
Handloader
- Sep 29, 2006
- 1,370
- 690
6.5 creedmoor/140 gr with IMR4320. got 4# I want to get some usage from, thanks!
RR
RR
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Cartridge : 6.5 Creedmoor Hornady
Bullet : .264, 140, Nosler BalTip 26140
Useable Case Capaci: 45.161 grain H2O = 2.932 cm³
Cartridge O.A.L. L6: 2.800 inch = 71.12 mm
Barrel Length : 22.0 inch = 558.8 mm
Powder : IMR 4320
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 34.65 2465 1889 45614 8986 99.4 1.296
-09.0 86 35.04 2489 1926 46995 9059 99.6 1.278
-08.0 86 35.42 2513 1963 48410 9129 99.7 1.261
-07.0 87 35.81 2536 2000 49865 9196 99.8 1.244
-06.0 88 36.19 2560 2037 51360 9259 99.9 1.227
-05.0 89 36.58 2583 2075 52899 9318 100.0 1.211
-04.0 90 36.96 2607 2112 54482 9374 100.0 1.195 ! Near Maximum !
-03.0 91 37.35 2630 2150 56110 9426 100.0 1.179 ! Near Maximum !
-02.0 92 37.73 2653 2188 57786 9476 100.0 1.164 ! Near Maximum !
-01.0 93 38.12 2676 2226 59510 9526 100.0 1.149 ! Near Maximum !
+00.0 94 38.50 2699 2264 61285 9574 100.0 1.134 ! Near Maximum !
+01.0 95 38.89 2722 2303 63111 9622 100.0 1.119 !DANGEROUS LOAD-DO NOT USE!
+02.0 96 39.27 2744 2341 64991 9670 100.0 1.105 !DANGEROUS LOAD-DO NOT USE!
+03.0 97 39.66 2767 2380 66927 9716 100.0 1.091 !DANGEROUS LOAD-DO NOT USE!
+04.0 98 40.04 2789 2419 68920 9763 100.0 1.077 !DANGEROUS LOAD-DO NOT USE!
+05.0 99 40.43 2812 2458 70974 9808 100.0 1.064 !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 94 38.50 2780 2402 71734 9247 100.0 1.065 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 94 38.50 2577 2064 50847 9818 98.5 1.226
It currently likes the 140 berger, running them 2720 with IMR 4831 into little tiny groups, pretty scary for an AR10DrMike":39tbucll said:You're most welcome. I made the assumption you wanted info for the BT. If you need info for another pill, let me know.