This is a preban Colt A2 heavy barrel with both the flash hider
and bayo lug. Model # R6600. Large front pivot pin on lower
and upper. No magazine release guard. For pics and specs,
see the Colt A2 HBAR being advertised by Caliber_arms.
New bolt carrier (Colt) as original was used for another project,
years ago. Like new, shot very, very little (one box, maybe).
Comes with two new Colt 20 rd mags, sling, cleaning kit, and Colt
manual. $1150 delivered to FFL. 3 day inspection period for full
refund (less return shipping).