The lower is acctually a Stag 308 lower stamped M&P, so yes it will take SR25 mags. Quality? its like comparing green apples to red apples. My only conern is the barrel, it seems to get the best range out of a .308 the standard is 1-11.25 twist, were the S&W is 1-10 twist, also S&W seems to be a mid length gas system on their 18inch.




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