Need recipes - 300 wsm, 180 accubond, reloader 17

idahohunter8 · Jun 18, 2015

I have a pound of r17 and I would like to use it to develop a load in my new tikka 300 wsm shooting 180 accubonds. Can anyone recommend some recipes? Velocities?

Thanks

Anonymous · Jun 18, 2015

66gr with 180s netted me right at 3000+ a little change- that's a max book load. I backed the load off to 65.1 and I get 2950 with sub MOA accuracy.

I love RL17 in the .300WSM....best powder I've tried yet

DrMike · Jun 18, 2015

Code:

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      : 24.0 inch = 609.6 mm
Powder             : Alliant Reloder-17

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   76    51.60   2462    2422   32519   9116     97.9    1.528
-18.0   78    52.89   2520    2538   34708   9327     98.6    1.490
-16.0   80    54.18   2578    2656   37043   9520     99.1    1.452
-14.0   82    55.47   2635    2776   39535   9692     99.6    1.408
-12.0   84    56.76   2692    2897   42196   9844     99.8    1.366
-10.0   86    58.05   2748    3019   45039   9974    100.0    1.326
-08.0   88    59.34   2804    3143   48079  10084    100.0    1.287
-06.0   89    60.63   2859    3267   51331  10188    100.0    1.249
-04.0   91    61.92   2914    3393   54812  10290    100.0    1.213  ! Near Maximum !
-02.0   93    63.21   2967    3519   58542  10388    100.0    1.179  ! Near Maximum !
+00.0   95    64.50   3021    3647   62542  10484    100.0    1.145  ! Near Maximum !
+02.0   97    65.79   3073    3775   66832  10577    100.0    1.113  !DANGEROUS LOAD-DO NOT USE!
+04.0   99    67.08   3126    3905   71432  10666    100.0    1.082  !DANGEROUS LOAD-DO NOT USE!
+06.0  101    68.37   3178    4037   76337  10752    100.0    1.052  !DANGEROUS LOAD-DO NOT USE!
+08.0  103    69.66   3230    4169   81590  10834    100.0    1.024  !DANGEROUS LOAD-DO NOT USE!
+10.0  105    70.95   3281    4304   87222  10913    100.0    0.996  !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    64.50   3118    3886   75927  10114    100.0    1.065  !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba     95    64.50   2870    3293   50306  10954     99.5    1.253

wildgene · Jun 19, 2015

...I've worked up to 66grs. of RL-17 w/ a number of 180gr. bullets from my Tikka T3 Lite .300 WSM, including the AB; avg. MV was 3050fps, most loads were sub-MOA...