Description
This is the perfect start for a clone Block II M4a1 upper build. One of the most popular builds as it allows for a pinned & weld to achieve the 16″ OAL. THIS KIT DOES NOT COME ASSEMBLED!
-Colt 14.5″ Gov Profile C MP (NEW)
-Colt Complete “C” Stamp Upper Receiver (Surplus)
-Coronet Contract Low Profile Gas Block (NEW)
-Colt Gas Tube (NEW)
Includes everything necessary for a Block II M4A1 build aside from a RIS II Handguard, Muzzle Device, Charging Handle & BCG.









