Upper Receiver Group, Colt M4A1-SE

Creating a nearly perfect copy of the US Military Colt M4A1 Carbine upper receiver group. 
Our custom SA compensator is pinned/welded/machined to create a street-legal 16 inch barrel assy.
The precision fit, machine work, and finish are a work of art.

Does NOT contain the bolt group or charging handle.   

Upper Receiver:  Colt "Square" forging symbol - No further markings or CAGE markings: 13629 (Dot Matrix)
Barrel: Colt early production stamped C MP 5.56 NATO 1/7 (Double Line), with all SA Reliability Package mods.
Standard Sling Swivel (bottom) - (NOT the side sling mount in the photo.)
Colt M4 military handguards - double heat-shield
Colt removable carry handle assy - "Square" forging symbol.  (NOT the MaTech sight in the photo.)

IN-STOCK.  (Do not email us and ask if this is in stock). 

IF you need a Bolt Group and Charging Handle Assy; or the H2 Buffer Assy, here they are:

Bolt Group Upgrade with Charging Handle Assembly

H2 Buffer Assy recommended.