CMMG Inc. has taken 5.7x28mm to a whole new level with the release of the 5.7 AR Conversion Magazine. This innovative new magazine holds 40 rounds of 5.7x28mm and is designed to fit and function in a mil-spec AR15 lower receiver when paired with CMMG’s 5.7x28mm Radial Delayed Blowback upper receiver. The appeal of 5.7x28mm […]
The post CMMG’s New 5.7x28mm 40-Round AR Conversion Magazines appeared first on The Truth About Guns.