CMMG Replacement Barrel/BCG Kit 9mm 16" 4140CM SBN

The CMMG Replacement Barrel and BCG Kit for 9mm provides the essential components you need to build your own pistol caliber carbine utilizing CMMG's innovative radial delayed blowback system. Unlike traditional direct blowback systems, this design employs a rotating bolt mechanism that enhances reliability and reduces felt recoil. This barrel is designed specifically for use with mil-spec AR-15 upper receivers featuring a modified ejection port, making it an ideal choice for those looking to optimize their firearm's performance. Featuring a length of 16 inches and a durable salt bath nitride finish, this barrel kit is built to withstand rigorous use while maintaining accuracy and functionality.