QL Request RL 23 7mm Rem mag

[treesnake]

Howdy and thanks in advance. I want to use 175 gr AccuBond long range bullets with the new RL 23.
Nosler brass, Federal magnum match primers.

 

[DrMike]

Cartridge          : 7 mm Rem. Mag.(SAAMI)
Bullet             : .284, 175, Nosler Accubond LR 58517 G7
Useable Case Capaci: 71.106 grain H2O = 4.617 cm³
Cartridge O.A.L. L6: 3.290 inch = 83.57 mm
Barrel Length      : 24.0 inch = 609.6 mm
Powder             : Alliant Reloder-23

Predicted data by increasing and decreasing the given charge,
incremented in steps of 2.0% 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

-20.0   79    50.64   2321    2094   31148  10110     99.1    1.692
-18.0   81    51.91   2376    2193   33285  10321     99.5    1.648
-16.0   83    53.17   2429    2294   35573  10509     99.8    1.605
-14.0   85    54.44   2483    2396   38018  10674    100.0    1.560
-12.0   87    55.70   2536    2499   40603  10816    100.0    1.512
-10.0   89    56.97   2588    2602   43334  10953    100.0    1.467
-08.0   91    58.24   2639    2707   46233  11087    100.0    1.423
-06.0   93    59.50   2690    2813   49314  11219    100.0    1.381
-04.0   95    60.77   2741    2919   52588  11348    100.0    1.341  ! Near Maximum !
-02.0   97    62.03   2791    3027   56070  11473    100.0    1.303  ! Near Maximum !
+00.0   99    63.30   2840    3135   59774  11596    100.0    1.266  ! Near Maximum !
+02.0  101    64.57   2890    3245   63715  11715    100.0    1.230  !DANGEROUS LOAD-DO NOT USE!
+04.0  103    65.83   2939    3355   67913  11831    100.0    1.196  !DANGEROUS LOAD-DO NOT USE!
+06.0  105    67.10   2987    3468   72387  11943    100.0    1.163  !DANGEROUS LOAD-DO NOT USE!
+08.0  107    68.36   3036    3581   77158  12052    100.0    1.131  !DANGEROUS LOAD-DO NOT USE!
+10.0  109    69.63   3084    3696   82253  12157    100.0    1.100  !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     99    63.30   2930    3337   72187  11237    100.0    1.174  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba     99    63.30   2703    2840   47381  12116    100.0    1.392

 

[treesnake]

Thanks Doc,
Much lower than Alliant has on their page for the Speer 175 sp. Very valuable info.
Thanks again.

 

[SJB358]

Man, those 175's are 2900 should be wicked bullets. The BC on them is incredible.