CMMG presents the BBL SUB ASSEMBLY 223REM 12.5 MULTI ROLE, a testament to superior engineering and design. This barrel sub-assembly is crafted with a 5.56×45 NATO Chamber and a 12.5″ Multi Role Profile, ensuring precision and reliability. The 4140 Chrome Moly construction with a Salt Bath Nitride Finish inside and out offers durability and corrosion resistance, while the 1:7 Twist and Threaded 1/2-28 enhance its versatility and ease of use.
Ideal for building your custom AR15 upper group, this barrel sub-assembly comes with a properly installed M4 barrel extension and is perfectly headspaced. It’s perfect for range time, competition, and training, showcasing CMMG’s commitment to innovation and quality.
Key Features:
– Manufacturer: CMMG
– Model: BBL SUB ASSEMBLY 223REM 12.5 MULTI ROLE
– Caliber: 5.56×45 NATO
– Condition: New
– Barrel Length: 12.5″
– Threaded Barrel: Yes
– What’s In The Box: M4 barrel extension
– Unique Features: Multi Role Profile, Salt Bath Nitride Finish, 1:7 Twist









