16" Colt 1:7 lw barrel on CMT flat top upper receiver.
Barrel marked C MP 5.56 NATO 1/7
Factory M4 feedramps
Threaded muzzle with A2 FH
No bayonet lug
321 rds. through assembly
Colt CAR stock, marked "N" and "1" under latch with Colt extension tube.
Extension tube was two position that has had a third position added.
Includes spring, plate, nut and 9mm buffer.
All in very good condition.