Heckler and Koch MR556 A4 Pistol 5.56 11 Barrel 10-Rounds

Overview

Heckler & Koch MR556 A4 Pistol Features The MR556 A4 is built around HK s proprietary short-stroke gas piston operating system a proven design that significantly reduces carbon fouling and heat buildup compared to direct impingement systems delivering enhanced long-term reliability and longevity through demanding high round count use and sustained tactical engagements. The 11 in. cold hammer-forged barrel provides outstanding accuracy and exceptional barrel life through years of intensive use and the free-floating handguard isolates the barrel from external contact for improved accuracy and provides a stable ergonomic mounting surface for optics and tactical accessories. The optics-ready platform ships without sights giving shooters complete freedom to configure their preferred sighting solution without factory sight obstruction and the ambidextrous controls ensure intuitive consistent manipulation for both right- and left-handed operators without modification. For tactical professionals and serious AR platform enthusiasts who demand HK s gas piston reliability cold hammer-forged accuracy and premium build quality in a compact compliance-ready pistol format the MR556 A4 is purpose-built to deliver. The compact pistol configuration and 27.5 in. overall length keep the MR556 A4 maneuverable in confined environments while maintaining the full performance potential of the .223 Remington / 5.56 NATO cartridge through an 11 in. barrel. At 7.3 lbs. the MR556 A4 carries meaningful mass for a stable controlled shooting platform and the 10+1 capacity with one included magazine makes this pistol immediately compliant for jurisdictions with capacity restrictions. The matte black finish provides a low-glare corrosion-resistant surface suited to tactical and duty environments. For shooters seeking a premium gas piston-operated optics-ready .223 Remington / 5.56 NATO tactical pistol with HK s legendary fit finish and reliability in a compliant capacity format the Heckler & Koch MR556 A4 Pistol is for sale at GrabAGun. Heckler & Koch MR556 A4 Pistol Specifications Manufacturer: Heckler & Koch Model: MR556 A4 Pistol Type: Semi-Auto Tactical Pistol Action: Semi-Auto Operating System: Short-Stroke Gas Piston Caliber: .223 Remington / 5.56 NATO Finish: Matte Black Barrel Length: 11 in. Barrel Description: Cold Hammer-Forged Overall Length: 27.5 in. Capacity: 10+1 Magazines Included: 1 Sights: Optics Ready Stock: None / Pistol Configuration Controls: Ambidextrous Weight: 7.3 lbs. Available At: GrabAGun