The Colt AR-15 A3 with a 16-inch HBAR barrel features a Heavy Barrel (HBAR) design, which is thicker and more rigid than standard-profile barrels. This increased mass helps reduce barrel flex and heat buildup during extended firing, which can improve accuracy and consistency, especially in semi-automatic fire.

This Colt AR-15 A3 is in good condition as pictured, comes with a picatinny attached carry handle. one magazine included. 

Shows wear mark from normal use.