CMMG Mk57 Banshee Zeroed Trigger Pistol Extension 5.7x28mm FN Armor Black Frame

Description

Product Overview

The CMMG Mk57 Banshee lower group provides a purpose-built foundation for a 5.7x28mm FN firearm build. This assembly includes CMMG’s Zeroed trigger, an ambidextrous manual safety selector, and a pistol extension, all finished in Armor Black. It is designed for compatibility with CMMG Mk57 magazines and is supplied as a lower group without a barrel, sights, or magazine.

Key Features

• CMMG Zeroed trigger provides a refined single-stage trigger pull
• Pistol extension supports a compact pistol-style configuration
• Ambidextrous manual safety enables operation from either side
• Designed for 5.7x28mm FN Mk57 magazine compatibility
• Armor Black finish offers a consistent factory appearance
• Lower group configuration provides a ready foundation for a compatible build

Build a compact 5.7x28mm FN platform around the CMMG Mk57 Banshee lower group.