Description
The CMMG 6mm ARC Barrel Sub-Assembly is a dedicated CMMG Mk4/AR-15-pattern barrel component for a replacement or custom rifle build. Chambered in 6mm ARC, it uses a 16.1 in barrel with a medium taper profile.
CMMG builds this barrel from 416 stainless steel and applies a black salt-bath nitride finish. It features a 1:7.5 twist, a rifle-length gas system, and 5/8×24 muzzle threads for compatible muzzle devices.
This barrel sub-assembly has no sights specified. It is offered in New Condition.
