7 PRC

[JoshT]

Needing load data for .284 Nosler Custom Competition 168 gr HPBT. for 7 PRC. I'm using H1000. Thanks.

 

[DrMike]

Cartridge          : 7 mm PRC
Bullet             : .284, 168, Nosler CC HPBT 53418
Useable Case Capaci: 76.226 grain H2O = 4.949 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length      : 24.0 inch = 609.6 mm
Powder             : Hodgdon H1000 *T

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    66.42   2705    2728   44698  12766     97.4    1.387
-09.0   97    67.16   2737    2795   46310  12899     97.8    1.364
-08.0   98    67.90   2770    2863   47986  13026     98.2    1.341
-07.0   99    68.63   2803    2931   49729  13145     98.5    1.318
-06.0  100    69.37   2836    3000   51541  13256     98.8    1.296
-05.0  101    70.11   2869    3070   53424  13360     99.1    1.275
-04.0  102    70.85   2901    3140   55392  13455     99.4    1.253  ! Near Maximum !
-03.0  103    71.59   2934    3211   57437  13542     99.6    1.232  ! Near Maximum !
-02.0  104    72.32   2967    3283   59568  13621     99.7    1.212  ! Near Maximum !
-01.0  105    73.06   2999    3356   61790  13691     99.9    1.192  ! Near Maximum !
+00.0  106    73.80   3032    3429   64105  13751     99.9    1.172  ! Near Maximum !
+01.0  107    74.54   3064    3502   66522  13803    100.0    1.152  !DANGEROUS LOAD-DO NOT USE!
+02.0  108    75.28   3096    3577   69042  13845    100.0    1.133  !DANGEROUS LOAD-DO NOT USE!
+03.0  109    76.01   3129    3651   71677  13884    100.0    1.114  !DANGEROUS LOAD-DO NOT USE!
+04.0  110    76.75   3161    3726   74427  13921    100.0    1.096  !DANGEROUS LOAD-DO NOT USE!
+05.0  111    77.49   3193    3802   77301  13957    100.0    1.078  !DANGEROUS LOAD-DO NOT USE!

Results caused by ± 5% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 5% relative to nominal value:
+Ba    106    73.80   3105    3596   71137  13437    100.0    1.123  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 5% relative to nominal value:
-Ba    106    73.80   2942    3228   57606  13892     98.7    1.228  ! Near Maximum !

Welcome aboard.

 

[JoshT]

Cartridge          : 7 mm PRC
Bullet             : .284, 168, Nosler CC HPBT 53418
Useable Case Capaci: 76.226 grain H2O = 4.949 cm³
Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
Barrel Length      : 24.0 inch = 609.6 mm
Powder             : Hodgdon H1000 *T

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    66.42   2705    2728   44698  12766     97.4    1.387
-09.0   97    67.16   2737    2795   46310  12899     97.8    1.364
-08.0   98    67.90   2770    2863   47986  13026     98.2    1.341
-07.0   99    68.63   2803    2931   49729  13145     98.5    1.318
-06.0  100    69.37   2836    3000   51541  13256     98.8    1.296
-05.0  101    70.11   2869    3070   53424  13360     99.1    1.275
-04.0  102    70.85   2901    3140   55392  13455     99.4    1.253  ! Near Maximum !
-03.0  103    71.59   2934    3211   57437  13542     99.6    1.232  ! Near Maximum !
-02.0  104    72.32   2967    3283   59568  13621     99.7    1.212  ! Near Maximum !
-01.0  105    73.06   2999    3356   61790  13691     99.9    1.192  ! Near Maximum !
+00.0  106    73.80   3032    3429   64105  13751     99.9    1.172  ! Near Maximum !
+01.0  107    74.54   3064    3502   66522  13803    100.0    1.152  !DANGEROUS LOAD-DO NOT USE!
+02.0  108    75.28   3096    3577   69042  13845    100.0    1.133  !DANGEROUS LOAD-DO NOT USE!
+03.0  109    76.01   3129    3651   71677  13884    100.0    1.114  !DANGEROUS LOAD-DO NOT USE!
+04.0  110    76.75   3161    3726   74427  13921    100.0    1.096  !DANGEROUS LOAD-DO NOT USE!
+05.0  111    77.49   3193    3802   77301  13957    100.0    1.078  !DANGEROUS LOAD-DO NOT USE!

Results caused by ± 5% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 5% relative to nominal value:
+Ba    106    73.80   3105    3596   71137  13437    100.0    1.123  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 5% relative to nominal value:
-Ba    106    73.80   2942    3228   57606  13892     98.7    1.228  ! Near Maximum !

Welcome aboard.