Heckler Koch HK MR556A1 16.5" MLOK MR556 A1 Piston New in box 5.56 AR

The MR556A1 is a semi-automatic, piston-driven AR-style rifle built on HK’s MR series platform. The MR556A1 features a cold-hammer-forged 16.5in unlined steel barrel, HK short-stroke gas piston operating system, and HK "416 geometry" magazine well that accepts standard 5.56/AR-15 magazines. The upper and lower receivers are forged aluminum and the rifle is supplied with Picatinny rails for mounting optics and accessories. This listing is for the limited-edition 75th Anniversary MR556A1 finished in Tropentarn camo. The commemorative variant is engraved with the HK 75th Anniversary logo and was sold as a limited run package with matching accessories and commemorative items. Controls include an ambidextrous safety and other ambidextrous features standard to the MR556A1.