Craft your AR-15 with the CMMG 55D590A Barrel Sub-Assembly. Made from 416R stainless steel, it’s perfect for 5.56x45mm NATO builds.
CMMG 55D590A Barrel Sub-Assembly 5.56x45mm NATO 16.10″
CMMG 55D590A: Stellar Barrel Sub-Assembly for AR-15
Elevate your build with the CMMG 55D590A Barrel Sub-Assembly. Precision-engineered for your 5.56x45mm NATO AR-15.
Our Barrel Sub-Assembly is the top choice for building your tailored AR-15 upper group. Bring your unique vision to life.
Fashioned from 416R stainless steel, this barrel boasts a distinctive stainless bead blasted finish. Expect top-tier durability and performance.
Ready for Installation
With a properly installed M4 barrel extension, this sub-assembly ensures a fuss-free installation process.
This medium taper profile, midlength barrel is optimized for your 5.56x45mm NATO AR-15. Discover unparalleled performance.
- 1x CMMG 55D590A Barrel Sub-Assembly