300 winchester short magnum

  1. N

    Best powders for 300 WSM?

    Some context: Have a switch barrel short action MPA BA rifle in 6.5 CM, with the West Texas Ordnance SwitchLug system. I want to make full use of the barrel switching / caliber switching capabilities of the rifle system, and get a new barrel in the largest possibly 300 cal magnum cartridge...
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