HK MR556A1 Optics Ready 5.56 NATO Rifle

Description

Product Overview

The HK MR556A1 is a semi-automatic rifle chambered in 5.56 NATO and built around Heckler & Koch’s proprietary short-stroke gas-piston operating system. Its 16.5-inch cold hammer-forged barrel offers a balance of accuracy, durability, and maneuverability. The optics-ready configuration allows the shooter to select and mount a preferred optic, while the adjustable stock helps accommodate different users and shooting positions. Finished in black, the rifle includes a 10-round magazine and features an ambidextrous manual safety for versatile handling.

Key Features

• 16.5-inch cold hammer-forged barrel provides a durable, accurate shooting platform
• Optics-ready receiver supports the addition of a preferred aiming optic
• Ambidextrous manual safety accommodates right- and left-handed users
• Gas-operated semi-automatic action enables fast follow-up shots
• Includes one 10-round magazine
• Threaded barrel accepts compatible muzzle devices and suppressors

The HK MR556A1 combines proven AR-pattern controls with HK engineering and optics-ready versatility for range, training, and practical rifle applications.