Heckler & Koch MR556 A4 5.56 NATO 11" 10+1 Semi-Auto Rifle, Gray Cerakote - 81001313

The HK MR556 A4 is a 5.56 NATO semi-automatic rifle with an 11" threaded barrel and 10+1 round capacity. Features include a short stroke gas piston, HK416 upper receiver, M-LOK handguard, fully ambidextrous lower receiver, and collapsible/folding stock. Overall length is 26.5" and weight is 6.61 lbs.