Brownells has introduced big bore AR-15 barrels chambered in .458 SOCOM and .450 Bushmaster. The barrels for both caliber options come with the bolts and three-chamber muzzle brakes. Apparently these are custom profile barrels made by Faxon Firearms specifically for Brownells. In a recently published new products announcement video, Brownells’ employee Paul Levy says: “these are […]
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