5.56 ql help

Bearcat 7000

Beginner
Mar 18, 2018
29
0
Need some ql help for a 5.56 ran upto 5.56 pressures of 61k not the 223 pressure of 54-55k

88gr eld-m
LC brass 30.0gr of h2o
Leverevolution powder
Bullet seated at 2.360-2365

Thanks
 
Cartridge : 5.56 mm NATO - 5.56 x 45 mm
Bullet : .224, 80, Hornady ELD-M 22831
Useable Case Capaci: 23.278 grain H2O = 1.511 cm³
Cartridge O.A.L. L6: 2.260 inch = 57.40 mm
Barrel Length : 22.5 inch = 571.5 mm
Powder : Alliant AR-Comp

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 94 19.44 2563 1167 43673 6153 100.0 1.215
-09.0 95 19.66 2587 1189 45167 6182 100.0 1.197
-08.0 96 19.87 2611 1211 46714 6210 100.0 1.180
-07.0 97 20.09 2635 1233 48318 6238 100.0 1.164
-06.0 98 20.30 2658 1255 49980 6266 100.0 1.147
-05.0 99 20.52 2681 1277 51705 6292 100.0 1.131
-04.0 100 20.74 2705 1299 53494 6319 100.0 1.116 ! Near Maximum !
-03.0 101 20.95 2728 1322 55327 6345 100.0 1.100 ! Near Maximum !
-02.0 102 21.17 2751 1344 57274 6370 100.0 1.085 ! Near Maximum !
-01.0 103 21.38 2774 1367 59272 6395 100.0 1.071 ! Near Maximum !
+00.0 104 21.60 2796 1389 61340 6419 100.0 1.056 ! Near Maximum !
+01.0 105 21.82 2819 1412 63503 6442 100.0 1.042 !DANGEROUS LOAD-DO NOT USE!
+02.0 106 22.03 2842 1435 65743 6465 100.0 1.028 !DANGEROUS LOAD-DO NOT USE!
+03.0 107 22.25 2864 1457 68069 6488 100.0 1.014 !DANGEROUS LOAD-DO NOT USE!
+04.0 108 22.46 2887 1480 70479 6510 100.0 1.001 !DANGEROUS LOAD-DO NOT USE!
+05.0 109 22.68 2909 1504 72974 6531 100.0 0.987 !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 104 21.60 2871 1464 75186 6169 100.0 0.989 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 104 21.60 2681 1276 48908 6793 100.0 1.148
 
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