CMMG 55BA22C MK4 Black Anodized

Description

Product Overview

CMMG’s 55BA22C Mk4 upper receiver assembly is built from forged 7075-T6 aluminum with a black anodized receiver for a durable, tight-fit foundation on the Mk4 platform. The dust cover and forward assist are installed from the factory, and the Mk4 platform is designed to work with AR-15-style magazines when configured with compatible CMMG barrels and components.

Key Features

• Forged 7075-T6 aluminum receiver for strength and rigidity
• Black anodized finish for corrosion resistance
• Dust cover assembly installed for dependable top-side coverage
• Forward assist assembly installed for added manual cycling support
• Mk4-compatible receiver for versatile builds using supported CMMG conversions

Pair this Mk4 upper receiver assembly with the required barrel and gas system components to complete your build.