QL Request

[erikc838]

6.5 Creedmoor
Starline Brass
CCI 200
22" barrel 8 twist
129 grain ABLR
RL17
2.825" COAL

Thank you,

Erik

 

[DrMike]

Cartridge          : 6.5 Creedmoor Hornady
Bullet             : .264, 129, Nosler AccuBond LR 58943 G7
Useable Case Capaci: 47.902 grain H2O = 3.110 cm³
Cartridge O.A.L. L6: 2.825 inch = 71.76 mm
Barrel Length      : 22.0 inch = 558.8 mm
Powder             : Alliant Reloder-17

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   88    40.68   2674    2048   44390  10657     99.5    1.255
-09.0   89    41.13   2702    2092   45881  10737     99.7    1.236
-08.0   90    41.58   2731    2137   47424  10812     99.8    1.217
-07.0   91    42.04   2760    2181   49005  10880     99.9    1.199
-06.0   92    42.49   2788    2227   50676  10942    100.0    1.181
-05.0   93    42.94   2816    2272   52389  10997    100.0    1.163
-04.0   94    43.39   2845    2318   54159  11049    100.0    1.146  ! Near Maximum !
-03.0   95    43.84   2872    2363   56001  11099    100.0    1.128  ! Near Maximum !
-02.0   96    44.30   2900    2409   57908  11149    100.0    1.112  ! Near Maximum !
-01.0   97    44.75   2928    2456   59884  11198    100.0    1.095  ! Near Maximum !
+00.0   98    45.20   2956    2502   61933  11246    100.0    1.079  ! Near Maximum !
+01.0   99    45.65   2983    2549   64059  11293    100.0    1.063  !DANGEROUS LOAD-DO NOT USE!
+02.0  100    46.10   3010    2596   66261  11339    100.0    1.048  !DANGEROUS LOAD-DO NOT USE!
+03.0  101    46.56   3038    2643   68551  11384    100.0    1.032  !DANGEROUS LOAD-DO NOT USE!
+04.0  101    47.01   3065    2690   70926  11428    100.0    1.017  !DANGEROUS LOAD-DO NOT USE!
+05.0  102    47.46   3092    2738   73393  11472    100.0    1.003  !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     98    45.20   3062    2686   75572  10817    100.0    1.001  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba     98    45.20   2791    2232   49913  11624     98.5    1.183