HK MR556A1 Semi Auto delivers legendary German engineering in a battle-proven 5.56 NATO platform. Built as the civilian-legal counterpart to the HK416, this rifle features a cold-hammer-forged 16.5″ chrome-lined barrel for exceptional accuracy and durability. The MR556A1’s gas piston system reduces fouling and ensures reliable cycling under harsh conditions.
- Caliber: 5.56 NATO (.223 Rem compatible)
- Barrel: 16.5″ cold hammer forged, chrome-lined
- Operation: Short-stroke gas piston
- Capacity: 30-round detachable magazine (includes 1 HK mag)
- Weight: Approx. 8.9 lbs (unloaded)
- Finish: Hardcoat anodized aluminum receiver
- Sights: Picatinny rail for optics (iron sights not included)
Free FFL transfer to any Tennessee dealer.





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