The HK MR556A1 is a commercial-grade firearm inspired by the world-renowned HK416, ensuring reliability, precision, and durability. Featuring a proprietary HK short-stroke gas piston operation, this semi-automatic modern sporting rifle minimizes exhaust gases entering the receiver, resulting in cooler, cleaner, and more reliable performance, especially under adverse conditions like dust, sand, and mud. Its cold hammer forged barrel, made from cannon-grade steel, includes a 1:7 twist rate and taper-bore configuration for enhanced accuracy and velocity. Trusted by elite military and law enforcement worldwide, the MR556A1 combines superior materials and meticulous craftsmanship to exceed mil-spec standards, delivering unmatched service life and performance.
| Action | |
|---|---|
| Barrel Length | |
| Centerfire/Rimfire | |
| Left Handed | |
| Optics Ready |