180 AB, RL 17, 300 WSM

[bob_dobalina]

Can anyone show me how Quickload compares to book data for this combo?

180 Accubonds
Reloder 17
300 WSM
24.4" barrel length

I hit 3015 at book max of 64, with a clean, cold barrel

Thanks all

 

[DrMike]

Can anyone show me how Quickload compares to book data for this combo?

180 Accubonds
Reloder 17
300 WSM
24.4" barrel length

I hit 3015 at book max of 64, with a clean, cold barrel

Thanks all

Cartridge          : .300 WSM (CIP)
Bullet             : .308, 180, Nosler AccuBond 54825
Useable Case Capaci: 70.084 grain H2O = 4.550 cm³
Cartridge O.A.L. L6: 2.860 inch = 72.64 mm
Barrel Length      : 24.4 inch = 619.8 mm
Powder             : Alliant Reloder-17 *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   86    58.23   2767    3061   45451   9793    100.0    1.332
-09.0   87    58.88   2795    3123   46965   9846    100.0    1.313
-08.0   88    59.52   2823    3185   48530   9898    100.0    1.293
-07.0   89    60.17   2851    3248   50144   9949    100.0    1.274
-06.0   90    60.82   2878    3310   51825  10000    100.0    1.256
-05.0   91    61.47   2905    3373   53557  10050    100.0    1.237
-04.0   92    62.11   2932    3437   55351  10099    100.0    1.220  ! Near Maximum !
-03.0   93    62.76   2959    3500   57209  10148    100.0    1.202  ! Near Maximum !
-02.0   94    63.41   2986    3564   59130  10195    100.0    1.185  ! Near Maximum !
-01.0   95    64.05   3013    3628   61124  10242    100.0    1.168  ! Near Maximum !
+00.0   95    64.70   3039    3692   63187  10289    100.0    1.151  ! Near Maximum !
+01.0   96    65.35   3066    3757   65324  10334    100.0    1.135  !DANGEROUS LOAD-DO NOT USE!
+02.0   97    65.99   3092    3822   67540  10379    100.0    1.119  !DANGEROUS LOAD-DO NOT USE!
+03.0   98    66.64   3118    3887   69833  10423    100.0    1.103  !DANGEROUS LOAD-DO NOT USE!
+04.0   99    67.29   3145    3952   72201  10466    100.0    1.088  !DANGEROUS LOAD-DO NOT USE!
+05.0  100    67.94   3171    4018   74646  10508    100.0    1.073  !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     95    64.70   3136    3930   76695   9927    100.0    1.071  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba     95    64.70   2891    3340   50809  10765     99.6    1.258

 

[bob_dobalina]

Interesting, thank you sir.