CMMG 55D590A Barrel Sub-Assembly 5.56x45mm NATO 16.10″


Craft your AR-15 with the CMMG 55D590A Barrel Sub-Assembly. Made from 416R stainless steel, it’s perfect for 5.56x45mm NATO builds.

SKU: 815835016160 Categories: , ,


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.

Custom-Build Ready

Our Barrel Sub-Assembly is the top choice for building your tailored AR-15 upper group. Bring your unique vision to life.

Superb Material

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.

Midlength Marvel

This medium taper profile, midlength barrel is optimized for your 5.56x45mm NATO AR-15. Discover unparalleled performance.

What’s Included

  • 1x CMMG 55D590A Barrel Sub-Assembly

Additional information


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