Heckler and Koch MR556 A4 5.56 NATO 16" 30rd Rifle, Gray – HK81001308

Get your hands on the premium Heckler and Koch MR556 A4 semi-automatic rifle, a top-tier choice for shooters seeking the civilian equivalent of the legendary HK416. Chambered for versatile .223 Rem | 5.56 NATO ammunition, this rifle features a robust 16.5" barrel with a 1-in-7" twist and a 1/2×28 thread pattern for suppressor readiness. The upgraded A4 model boasts a striking Gray Cerakote finish and comes equipped with modern HK416 Slimline Furniture, including a collapsible/folding stock. Designed for superior user accessibility, the MR556 A4 features a fully ambidextrous lower receiver and safety lever, complemented by a modular M-LOK handguard for easy accessory mounting. Weighing in at 7.67 lbs. and accepting a standard 30rd capacity, this rifle is an excellent choice for demanding enthusiasts looking for HK reliability and the latest A4 enhancements.