The Heckler & Koch MR556 A4 w/ SBA6 Brace, 5.56 NATO, 30 RDs, 11.00" Barrel, Black is a compact, semi-automatic AR-style rifle built with HK’s proven MR556 architecture. The 11" barrel is paired with a muzzle device and free-floating handguard featuring ample mounting slots and a full-length top rail, while the SBA6 brace and ergonomic HK pistol grip provide stable, comfortable control. Distinct HK markings on the receiver and handguard underscore the rifle’s premium construction and attention to detail.

This short-barreled MR556 configuration is well suited for range use, training, and general-purpose defensive roles where maneuverability is important. The 5.56 NATO chambering offers compatibility with a wide variety of ammunition, and the 30-round magazine capacity supports extended shooting sessions without frequent reloads. With its refined operation, modern controls, and durable build quality, this MR556 A4 reflects Heckler & Koch’s longstanding reputation for precision engineering and reliable performance.

• Manufacturer: Heckler & Koch
• Model: MR556 A4 w/ SBA6 Brace
• Caliber: 5.56 NATO
• Barrel Length: 11.00"
• Capacity: 30 Rounds