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300 wsm 210 Berger loads?

 
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Old 08-24-2012, 12:17 PM
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Location: Northern Virginia
Posts: 179
Re: 300 wsm 210 Berger loads?

I just looked it up on Alliant, they show 66 grains for a 180 Speer BTSP. Looking at QL, it doesn't look way off if you account for different chambers, barrels and case cap variation. I do think it shines really well in places where it works though. I have heard it is excellent in the 25-06 with 115 BT's.


Cartridge : .300 WSM (CIP)
Bullet : .308, 180, Speer BTSP 2052
Useable Case Capaci: 72.721 grain H2O = 4.722 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 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 83 58.50 2775 3079 48220 9966 100.0 1.282
-09.0 84 59.15 2802 3139 49743 10028 100.0 1.264
-08.0 85 59.80 2829 3199 51315 10086 100.0 1.246
-07.0 86 60.45 2856 3259 52936 10142 100.0 1.229
-06.0 87 61.10 2882 3320 54608 10197 100.0 1.212
-05.0 88 61.75 2908 3381 56333 10252 100.0 1.195 ! Near Maximum !
-04.0 89 62.40 2934 3442 58110 10306 100.0 1.179 ! Near Maximum !
-03.0 90 63.05 2960 3503 59948 10359 100.0 1.163 ! Near Maximum !
-02.0 91 63.70 2986 3564 61840 10412 100.0 1.147 ! Near Maximum !
-01.0 92 64.35 3012 3626 63799 10464 100.0 1.132 ! Near Maximum !
+00.0 92 65.00 3038 3688 65818 10515 100.0 1.117 !DANGEROUS LOAD-DO NOT USE!
+01.0 93 65.65 3063 3750 67903 10566 100.0 1.102 !DANGEROUS LOAD-DO NOT USE!
+02.0 94 66.30 3088 3812 70055 10616 100.0 1.087 !DANGEROUS LOAD-DO NOT USE!
+03.0 95 66.95 3114 3875 72282 10665 100.0 1.073 !DANGEROUS LOAD-DO NOT USE!
+04.0 96 67.60 3139 3938 74581 10713 100.0 1.059 !DANGEROUS LOAD-DO NOT USE!
+05.0 97 68.25 3164 4001 76951 10761 100.0 1.045 !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 92 65.00 3125 3904 78032 10182 100.0 1.047 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 92 65.00 2904 3370 54262 10927 99.5 1.210
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