QL request for 300 WSM and Reloader-26

KenM

Beginner
Mar 10, 2018
10
0
Hello all,

Was wondering if anyone could run a QL for my 300 WSM using RL-26. Gun and bullet info below.

Win M70 EWSS
300 WSM
190gr ABLR (G1 BC - 0.597)
24" Barrel
Nosler Brass
CCI 200, 250, or BR-2 Primers (I have all 3)

Shooting at 8,000-12,000 ft. (Colorado)

If you need anymore info to make it more accurate, let me know.

Thanks in advance
 

DrMike

Ballistician
Nov 8, 2006
34,811
959
Code:
Cartridge          : .300 WSM (CIP)
Bullet             : .308, 190, Nosler AccuBond LR 58456
Useable Case Capaci: 69.209 grain H2O = 4.494 cm³
Cartridge O.A.L. L6: 2.860 inch = 72.64 mm
Barrel Length      : 24.0 inch = 609.6 mm
Powder             : Alliant Reloder-26 *C

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    64.53   2710    3098   42920  11059     99.3    1.389
-09.0   95    65.25   2743    3174   44553  11140     99.5    1.364
-08.0   96    65.96   2776    3250   46265  11214     99.7    1.341
-07.0   97    66.68   2808    3327   48047  11278     99.8    1.317
-06.0   98    67.40   2841    3405   49907  11335     99.9    1.295
-05.0   99    68.12   2873    3483   51853  11383    100.0    1.272
-04.0  100    68.83   2906    3562   53886  11422    100.0    1.250
-03.0  101    69.55   2938    3642   56013  11459    100.0    1.229  ! Near Maximum !
-02.0  102    70.27   2970    3722   58236  11495    100.0    1.208  ! Near Maximum !
-01.0  103    70.98   3002    3802   60562  11530    100.0    1.187  ! Near Maximum !
+00.0  105    71.70   3034    3883   63000  11563    100.0    1.167  ! Near Maximum !
+01.0  106    72.42   3065    3964   65554  11596    100.0    1.147  !DANGEROUS LOAD-DO NOT USE!
+02.0  107    73.13   3097    4046   68232  11626    100.0    1.127  !DANGEROUS LOAD-DO NOT USE!
+03.0  108    73.85   3128    4129   71041  11656    100.0    1.108  !DANGEROUS LOAD-DO NOT USE!
+04.0  109    74.57   3160    4212   73989  11684    100.0    1.089  !DANGEROUS LOAD-DO NOT USE!
+05.0  110    75.29   3191    4296   77084  11711    100.0    1.070  !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    105    71.70   3163    4222   80128  11032    100.0    1.068  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba    105    71.70   2830    3380   48754  12013     98.1    1.299
 
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