7mm SAUM Quickload request

filmjunkie4ever

Handloader
May 4, 2011
1,656
531
My friend is having a custom 7mm SAUM put together. Its going to be built on a Remington 700 with a Benchmark 24” barrel.

He’s wanting to shoot 180 grain Berger VLD Hunters and N568 powder with Large Rifle Magnum primers.

Thanks in advance.
 
Code:
Cartridge          : 7 mm Rem SA Ultra Mag
Bullet             : .284, 180, Berger Hunt VLD G7 #28502
Useable Case Capaci: 62.034 grain H2O = 4.028 cm³
Cartridge O.A.L. L6: 2.820 inch = 71.63 mm
Barrel Length      : 24.0 inch = 609.6 mm
Powder             : Vihtavuori N568 *C*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  100    59.94   2589    2679   43483  11772     94.3    1.457
-09.0  102    60.61   2623    2750   45161  11919     94.9    1.431
-08.0  103    61.27   2657    2821   46914  12061     95.4    1.405
-07.0  104    61.94   2691    2894   48745  12196     96.0    1.380
-06.0  105    62.60   2725    2967   50660  12326     96.5    1.356
-05.0  106    63.27   2759    3042   52663  12448     97.0    1.332
-04.0  107    63.94   2793    3118   54758  12565     97.4    1.308
-03.0  108    64.60   2827    3195   56952  12674     97.8    1.285  ! Near Maximum !
-02.0  109    65.27   2862    3273   59249  12776     98.2    1.262  ! Near Maximum !
-01.0  110    65.93   2896    3352   61658  12870     98.5    1.239  ! Near Maximum !
+00.0  112    66.60   2930    3431   64184  12956     98.8    1.217  ! Near Maximum !
+01.0  113    67.27   2964    3512   66833  13035     99.1    1.195  !DANGEROUS LOAD-DO NOT USE!
+02.0  114    67.93   2999    3594   69618  13105     99.3    1.174  !DANGEROUS LOAD-DO NOT USE!
+03.0  115    68.60   3033    3677   72543  13167     99.5    1.153  !DANGEROUS LOAD-DO NOT USE!
+04.0  116    69.26   3067    3760   75620  13219     99.7    1.132  !DANGEROUS LOAD-DO NOT USE!
+05.0  117    69.93   3101    3845   78852  13263     99.8    1.112  !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    112    66.60   3088    3810   80777  12465    100.0    1.112  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba    112    66.60   2708    2930   50092  12581     92.1    1.355
 
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