It offers the battlefield-proven reliability, durability and precision you would expect from a rifle that bears the name Heckler & Koch. The MR556A1 is assembled in the USA using US and …

A direct descendant of the HK416, the HK MR556 for sale offers impeccable durability, precision, and battle proven reliability. This rifle utilizes a "closed" short stroke gas piston system …

The HK MR556A1 can fire 5.56 NATO and .223 easily, and offers a very smooth and accurate shooting experience. The short-stroke gas piston system is simple and performs reliably …

The HK MR556 A4 represents the pinnacle of precision engineering and tactical performance. Designed for uncompromising accuracy, durability, and reliability, this semi-automatic rifle is a …

HK 75th Anniversary MR556A1 5.56 NATO Semi-Auto Tropentarn Rifle w/(4) 30rd Mags 81001004

The HK 556 for sale is an elite civilian firearm with competition-level precision and performance that outclasses typical AR-style carbines.

HK MR556A1 5.56mm NATO 16.5in Black Semi Automatic Modern Sporting Rifle - 30+1 Rounds - A direct descendent of the HK416, the MR556A1 is a semi-automatic rifle developed by …

HK MR556 A4 Rifle 8100027. Semi automatic AR15 rifle chambered in 5.56/.223 with 16.5" cold hammer forged barrel.

A direct descendent of the HK416, the MR556A1 is a semi-automatic rifle developed by Heckler & Koch as a premium level commercial/civilian firearm with match rifle capability. Like the …