Upper Receiver Group, Colt M4-SP, 10 Inch

This Colt 10 inch Special Purpose (SP) upper receiver group was design for SWAT entry teams.
In the mid 1990's.
The barrel is a modern chrome-lined M4 profile - same length as the original XM177 barrel.

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 H3 Buffer Assy, here they are:

Bolt Group Upgrade with Charging Handle Assembly

H3 Buffer Assy required.