CMMG MK9 9mm Stripped Lower Receiver

This CMMG AR-9 Dedicated 9mm Lower Receiver is designed for use with Colt pattern magazines. This is stripped lower includes some 9mm specification components pre-installed including ejector, bolt hold open, and feed ramp. These parts have been engineered by CMMG to work together in harmony to maximize the reliability and durability of your 9mm build.Features: Forged 7076-T6 Aluminum Includes feed ramps, ejector, and extended bolt catch 9mm caliber Accepts standard 9mm colt pattern mags