Description
Upgrade your AR-Platform with the CMMG 57D0476 Replacement Barrel Kit featuring a 16.1-inch barrel and Bolt Carrier Group designed for the 5.7x28mm caliber. This kit utilizes CMMG’s innovative Radial Delayed Blowback system, significantly reducing recoil while maintaining performance and reliability. Compatible with Mk4 and mil-spec AR15 uppers, it works seamlessly with CMMG Mk57 lower receivers or standard AR15 lowers when using CMMG 5.7 AR Conversion Magazines. Elevate your shooting experience with this high-quality barrel kit and enjoy enhanced precision and control.
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