CMMG Receiver Extension KIT W/MIL-SPEC Buffer TUBE AR-15 Features: -Combine this kit with your choice of lower parts kit & butt stockto complete your lower group Includes: -CMMG6-position receiver extension -Carbine buffer assembly -Carbine action spring
Specifications
- Material: Aluminum
- Dimension: 1.75 X 6.60 X 13.05
- Size/finish: Ar15 Carbine (m4 Carbine)
- Type/color: Receiver Extension Kit
Cmmg | MPN: 55CA6C7 | UPC: 815835017389