The Colt LE6943CK Monolithic Upper Assembly feature's Colt's law enforcement fully unitized URG. In addition to an uninterrupted full-length front rail, this upper receiver allows for a free-floated barrel. This LE6943CK Monolithic Upper Assembly also features a gas-block mounted front flip-up sight with bayonet lug and a flip-up rear sight. The barrel is Colt's standard 11.5" chrome lined M4 barrel with an A2 flash hider up front.
Note: The Colt LE6940 family of uppers are proprietary designed, with few user serviceable parts. Specific tools are required to remove the barrel nut and barrel. The gas system is unique and not designed to be replaced with mil-spec parts.
Charlie's provides new upper receivers, which have been test fired by Colt. Most upper receivers are take-offs from out of the box rifles. Others are purchased as upper receiver assemblies. Both are 100% identical. We do not ship in Colt factory box.
NFA Advisory: You are responsible to understanding if you can own this upper, and if you can install in to make a legal pistol. If installed as a rifle, you will need to comply with the Short Barrel Rifle requirements of the National Firearms Act, which includes registration and the payment of an NFA tax. In some cases, you might be deemed to have an SBR if you have a rifle lower and short barrel upper in close proximity.