Buy Colt 5.56x45mm M4 Complete Lower Receiver

Buy Colt 5.56x45mm M4 Complete Lower Receiver

The Colt Complete Lower Receiver is assembled from Colt’s popular LE6920 series of Carbines. This lower receiver includes an M4 Buttstock, Pistol Grip, and a Semi-Automatic Fire Control Group.

The Colt 5.56x45mm M4 Complete Lower Receiver is a high-quality component designed to serve as the foundation for building a reliable and versatile AR-15-style rifle. This lower receiver includes all the necessary parts and is fully assembled, making it a convenient option for enthusiasts looking to complete their own custom rifle builds with Colt’s trusted engineering.