Description
Original Colt LE6922 police M4 carbine upper receiver group. 16.1 inch barrel.
Special Production.
Chrome-lined 1/9 twist barrel built for Specialized Armament in 2000. F marked front sight base.
Barrel Markings: C MP 5.56 NATO 1/9 (single line).
Barrel Date: 7/00
NEW Old-Stock.
Limited quantity available.
This is an upper receiver group only. It does NOT contain the bolt group or charging handle assy.
Bolt Group Upgrade with Charging Handle Assembly
H2 Buffer Assy recommended.