A direct descendent of the HK416, the MR556 is a semi-automatic rifle developed by Heckler & Koch as a premium level commercial/civilian firearm. Like the HK416, the MR556 is a major product improvement of conventional AR-type carbines and rifles. Using the Heckler & Koch gas piston system, the MR556 does not introduce propellant gases and carbon fouling back into the rifle's interior, making it a reliable AR-type firearm. The HK rail system can be installed and removed without tools and returns to zero when reinstalled. Like the famous HK416, the MR556 uses a barrel produced by Heckler & Koch's famous cold hammer forging process. High quality steel is used in this unique manufacturing process producing a barrel that provides superior accuracy for more than 20,000 rounds with minimal degradation of accuracy and muzzle velocity. Projected availability of the MR556 in the USA is late 2009.
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Sheridan, WY, Police Department
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