CMMG
CMMG 5.7x28mm Barrel and BCG Kit, 8" Black - 57D88C3
SKU: 57D88C3UPC: 810097502406
$402.00$499.95
MSRP: $499.95
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This 8" barrel and bolt carrier group kit is designed for building AR-15 pistols or short-barreled rifles in 5.7x28mm using CMMG's patented Radial Delayed Blowback operating system. The kit features a stainless steel barrel with 1/2-28 muzzle threads, 1:9 twist rate, and provides reduced recoil and last-round bolt hold open compared to direct blowback systems. Drop-in installation compatible with AR-15 platforms.
