HK MR556A1 Rifle with OSS Suppressor

HK MR556A1 Rifle with OSS Suppressor

From the 2014 SHOT Show, a range demo of the HK MR556A1 Rifle with OSS Suppressor. HK MR556A1 Competition Rifle Specs: Caliber: 5.56x45mm Principle of Operation: gas operated Length, maximum (stock