Description
The HK MR556 A4 Rifle is a premium 5.56 NATO semi-automatic rifle that reflects the legendary reliability of the HK416 in a civilian-legal format. It features a 16.5-inch barrel with a 1 in 7 inch right-hand twist and a barrel profile of 6 lands and grooves for consistent precision. The short-stroke gas piston system minimizes fouling and reduces wear on internal parts, especially under extended use or suppressed operation. Its fully ambidextrous controls and slim, ergonomic design enhance handling, while the 20.3-inch Picatinny rail offers ample space for optics and accessories. Built to exacting standards, the MR556 A4 is ideal for shooters demanding exceptional performance and durability.
- Caliber: 5.56 x 45mm NATO Barrel Length: 16.5 inchesOverall Length: 33.25 to 36.5 inchesOverall Height: 7.5 inchesOverall Width: 3.07 inchesPicatinny Rail Length: 20.3 inchesWeight without Magazine: 7.67 lbMagazine Weight: 0.20 lbMagazine Capacity: 30, 20, 10Barrel Profile: 6 lands and groovesTwist Rate: 1 in 7 inches, right-hand twistOperating System: Short-stroke gas pistonGas Regulator: Adjustable for suppressed/unsuppressed useControls: Fully ambidextrousProfile: Slim, ergonomic for enhanced handling
