Barrel Assy, 14.5/16 P/W, R0770 Carbine HBAR

Colt original R0770 Heavy Barrel Carbine. (Export).  NOS.

Chrome-Lined 1/7, 14.5 inch Colt military barrel assy with the SA M16A2 Comp pinned and welded.
This is a legal 16+ inch barrel with beautiful welding, machining, and finish.

Marked:  C MP 5.56 NATO 1/7 HBAR

Front Sight Base: F marked, Flat-Top

Barrel Extension:  M4, with 52 degree feed ramps

Includes all parts in the photo and the front sight post, detent, and spring.