Colt M4 Carbine Short Barrel Rifle Lower Receiver Assembly
ALL Semi-Auto Colt Rifle Receivers will be marked “Carbine” as of Q4 2020
Factory Colt complete lower receiver assembly, registered by Colt as a Short Barrel Rifle to build your AR15 or M4. Compatible with all mil-spec AR15/M4/M16 upper receivers and roll marked “Carbine”. Manufactured to truly meet and exceed all Mil Spec standards.
This item is a serialized part, considered a firearm, factory registered as a short barrel rifle and requires transfer through a FFL/SOT