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I've been looking at the 300 WSM cartridge. The COAL is close to that of the .308 Rem, and if you could rechamber the .308 AR barrel and counterbore the bolt .065", it might fit in a standard .308 AR receiver. Only other thing I'm thinking you'd need to make it work would be an adjustable gas block to tune the gas impulse. Question IS, would the 300 WSM cartridge feed from an unmodified .308 AR mag? Maybe one of the Knights steel mags vs a magpul plastic?


            Anyone have a few 300 WSM rds they'd be willing to sell?

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