CMMG MK4 Stripped Lower Receiver - Black

CMMG MK4 Stripped Lower Receiver - Black

Start your next AR-15 build with a proven foundation. The CMMG MK4 Stripped Lower Receiver is precision machined from forged 7075-T6 aluminum, delivering true mil-spec strength, durability, and compatibility.

Finished in a sleek Cerakote Armor Black, this stripped lower provides enhanced corrosion resistance and a clean, professional look. Designed to accept standard mil-spec lower parts kits and components, it offers broad compatibility for custom builds chambered in .223 Remington / 5.56 NATO.

Forged 7075-T6 Aluminum
Mil-spec strength and durability.

Cerakote Armor Black Finish
Added protection with a premium appearance.

Mil-Spec Compatibility
Accepts standard AR-15 lower parts kits and components.

Multi-Caliber Marked
Designed for .223 Remington / 5.56 NATO platforms.

Stripped Configuration
Customize your build from the ground up.

Specifications

• Model: MK4
• Type: Stripped Lower Receiver
• Platform: AR-15
• Caliber Marking: .223 Remington / 5.56 NATO
• Material: Forged 7075-T6 Aluminum
• Finish: Cerakote (Armor Black)