The Heckler & Koch MR556 A4 Pistol utilizes HK’s short-stroke gas piston system, offering smooth cycling and reduced fouling for users who value reliability across long range sessions. Its 11-inch barrel provides excellent balance and maneuverability while maintaining the precision expected from a 5.56 NATO pistol, making it well suited for range use and practical shooting. These engineering advantages give shooters consistent performance with less maintenance required.

SKU 51655184594 Brand H&K Model Number 81001050 UPC 642230269439 DETAILS Brand: HK Model: MR556A4 Caliber: 5.56 x 45 mm Capacity: 30 Sights: Optics Ready Trigger Pull: 4.5 - 5.6 lb Barrel Length: 11" Height: 7.5" Width: 3.07" Weight: 6.61 lb Length: 26.5" *No Pistol Brace Included FEATURES The latest update from HK-USA to the commercial variant of the legendary HK416, the MR556 A4, and MR762 A4 represent an enhanced example of “no compromise” HK performance.