CMMG’s Mk3 .308 Winchester lower receiver sub-assembly is built for AR-10 pattern configurations and finished in Midnight Bronze for a distinctive look. Machined from durable 7075-T6 aluminum, it’s designed to be the foundation of a reliable .308 Winchester build.
Key Features
AR-10 pattern compatible lower receiver sub-assembly for .308 Winchester builds
Midnight Bronze finish for corrosion resistance and a unique color
Machined from 7075-T6 aluminum for strength and long service life
Mk3 platform design for modern .308 Winchester configurations
Upgrade your build foundation with a CMMG Mk3 .308 Winchester lower receiver sub-assembly in Midnight Bronze.
