The CMMG Mk4/AR15 stripped lower receiver is a solid foundation for building an AR-15 style rifle. It is built on the AR-15/M4 lower pattern, accepts mil-spec lower parts kits, and is compatible with AR-15/M4 pattern magazines. Finished in Armor Black Cerakote for durable, clean-looking wear.

Key features

• Forged 7075-T6 aluminum construction for a strong, lightweight foundation
• Mk4/AR15 AR-15/M4 pattern compatibility for mil-spec AR-15 lower parts kits
• Accepts AR-15/M4 pattern magazines
• Armor Black Cerakote finish for corrosion resistance and a uniform appearance

Start your AR-15 build with a dependable CMMG Mk4 stripped lower receiver.