Factory Colt complete lower receiver assembly to build your AR15, M16 or M4. Compatible with all mil-spec AR15/M4/M16 upper receivers and roll marked "Piston Carbine". Manufactured to truly meet and exceed all Mil Spec standards.
Specifications:
Type Action: Semi-Automatic
Caliber: .223 (5.56mm NATO)
Rate Of Twist: Receiver Only
Metal Finish: Black-Matte
Stock Material: Polymer
Detachable Magazine: Y
Hinged Floorplate: N
Sights: N
No Sale To California
Features: No Magazine, No Stock, No Forearm, Mil-Spec Buffer Tube
