CMMG Mk57 Lower Receiver Assembly 5.7x28mm FN Sniper Grey Frame

Description

Product Overview

The CMMG Mk57 Lower Receiver Assembly is an AR15-pattern receiver designed for builds chambered in 5.7x28mm FN. Its magazine well is configured for CMMG Mk57 and FN P90 pattern magazines, providing a purpose-built foundation for a compatible Mk57 upper receiver. This version is finished in Sniper Grey and is supplied as a receiver assembly rather than a complete firearm, so barrel, sights, and optic components are not included.

Key Features

• AR15-pattern lower receiver assembly for compatible Mk57 builds
• Designed for 5.7x28mm FN platforms
• Accepts CMMG Mk57 and FN P90 pattern magazines
• Sniper Grey finish for a distinctive build configuration
• Factory manual safety selector
• Receiver assembly format allows configuration with a compatible upper receiver and accessories

Build a dedicated 5.7x28mm FN platform with the CMMG Mk57 Lower Receiver Assembly.