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Old November 15, 2012, 07:10 PM   #11
old roper
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Join Date: June 11, 2007
Posts: 1,069
One problem with the WSM is load density with most bullets. If you took 71gr Retumbo and seated a 140gr AB you have pretty compress load for the 270WSM.

Hodgdon has max load of 71gr/Retumbo for the 270WSM with 140gr @ 3165fps and it's listed (C) compress same with H-1000.

I've tried H-1000,Mag-Pro,Magnum,R-22,R-19 with 140 and 150gr bullets in a custom 270WSM it had 26" long Lawton barrel.

I finally settled on R-17 for the 270WSM and 300WSM most bullets for the 270WSM your going to be seating the base of that bullet into the case body. Well good luck
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