The H&K MR556 A4 is the civilian semi-automatic rifle trusted by professionals worldwide. Built on the proven HK416 platform, this 5.56 NATO rifle combines legendary reliability with modern ergonomics. The 16.5" cannon-grade barrel, short-stroke gas piston system with adjustable gas regulator, and fully ambidextrous controls deliver precision and handling in any tactical or sport shooting scenario. The free-float M-LOK handguard provides unlimited customization options, while the anodized black finish ensures durability in the field.
Whether you're a competitive shooter, responsible homeowner, or firearms enthusiast, the MR556 A4 offers the quality engineering and proven performance you expect from Heckler & Koch. Includes one 30-round magazine and ships free.
