New in the box 1985 Colt AR15 model 6600. Never been fired. Comes with Colt Accessory pack with 2-20 round magazines cleaning kit, sling and manual. This has the trapdoor in the stock for your cleaning kit. This is the original A2 sights with 20 inch barrel. First model after the SP1. Colt HBAR Sporter AR-15A2 556 Nato W/ Box! Circa 1985 R6600. These pre-89 rifles are highly sought after by collectors, as it is as close as one can get to owning an M16A2. There is no sear block. The Colt model R6600 HBar, Colt’s heavy-barreled version of the standard AR-15, is capable of increased accuracy over their regular counterparts. Very rare to find with green label Box. $3,000 or best offer. Call or text 814-366-275six