Heckler & Koch MR556A1 chambered in 5.56 NATO. It is used and in very good condition. This has been a fantastic rifle, and the complete optic setup. The rifle is equipped with a tan Trijicon ACOG 4×32, a top mounted Trijicon RMR red dot, and a Bobro mount. It also has folding backup sights, a vertical foregrip, and a tan sling. Included are one factory HK steel 30-round magazine, HK soft case, and operator’s manual.