HK MR556 A4 5.56 11.5" Factory SBR 81001048

HK MR556 A4 Short Barrel Rifle – 11" Barrel – 5.56×45 mm NATO

HK SKU: 81001048

The HK MR556 A4 Short Barrel Rifle delivers the precision, reliability, and engineering excellence Heckler & Koch is known for, now in a compact 11" configuration ideal for shooters who demand maneuverability without sacrificing performance. Built on HK’s proven 5.56×45 mm NATO platform, this SBR offers exceptional durability and consistency thanks to its robust construction and meticulous German design heritage.

The A4 configuration features a flat‑top upper receiver with a full‑length Picatinny rail, providing ample space for optics, lasers, and other mission‑essential accessories. Its free‑float handguard includes modular attachment points, allowing users to tailor the rifle to their preferred setup—whether for professional use, training, or personal defense.

An adjustable stock and ergonomic HK controls ensure comfortable, intuitive handling across dynamic shooting environments. This rifle ships with one 30‑round magazine where legally permitted.

A premium choice for collectors, professionals, and HK enthusiasts, the MR556 A4 SBR offers dependable performance, refined handling, and the unmistakable quality of a true HK rifle.

FIREARM IS ON A FORM 3 AND WILL SHIP ONCE FORM 3 CLEARS TO YOUR FFL.