Cmmg Receiver Extension Kit - W/mil-spec Buffer Tube Ar-15

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

Other Features: Includes mil-spec buffer tube, buffer, buffer spring, casle nut, receiver end plate.Ready to accept your mil-spec stock.