CMMG Mk57 Pistol Lower Group Armor Black

Description

Product Overview

The CMMG Mk57 Banshee pistol lower group in Armor Black is built for the 5.7x28mm Radial Delayed Blowback system, designed to pair with CMMG Mk57 uppers. It uses a forged 7075 T6 aluminum Mk57 lower receiver finished in Cerakote Armor Black and comes equipped with CMMG ZEROED controls for a clean, consistent build.

Key Features

• Factory-equipped pistol tube receiver extension with a carbine buffer system
• Forged 7075 T6 aluminum Mk57 lower receiver for strong, durable construction
• Cerakote Armor Black finish for corrosion resistance and a hardened surface
• Mil-Spec single-stage trigger with integrated trigger guard
• CMMG ZEROED 60/90 Degree ambidextrous safety selector for fast, intuitive control
• CMMG ZEROED pistol grip and AR-style lower ergonomics

If you’re building a 5.7x28mm Mk57 setup, this Armor Black pistol lower group provides the foundation and controls for a ready-to-install pistol build.