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 German-made components and uses many of the same parts and assemblies developed for the HK416.

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 whether unsuppressed or suppressed.

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 resulting in a firearm that performs cleaner, cooler, and more reliably, making direct gas impingement system malfunctions a thing of the past.

HK MR556 5.56mm NATO 16.5in Black Semi Automatic Modern Sporting Rifle - 30+1 Rounds - A direct descendant of the HK416, the MR556A1 is a semi-automatic rifle configuration with match rifle capability developed for civilian users.

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 Heckler Koch as a premium level commercial/civilian firearm with match rifle capability.

These rifles come in a custom polymer hard case, along with a commemorative 75th Anniversary coin and four 30-round magazines for the MR556 Flecktarn. Don’t miss this once-in-a-lifetime opportunity to own a legendary HK rifle.

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 …

HK MR556 Competition 5.56mm 16.5″ Rifle. Using the HK MR556A1 as the platform to build a competitive rifle and with input from many competitive shooters, the Heckler & Koch Competition Model was developed for both casual shooters and the most demanding competitor.

H&K MR27 .223 Remington/5.56x45mm Semi-Auto Rifle, Black - 81000931 . Out of Stock. Notify When In Stock. Add to Wish List Add to Compare. H&K MR27 .223 Remington/5.56x45mm - 81000846 . Out of Stock. Notify When In Stock. Add to Wish List Add to Compare. HK MR27 Limited Edition Deployment Kit 5.56 NATO 16.5" 30rd Rifle, Black / FDE - 81000930 ...

HK MR556 Semi-Automatic Rifle at the Best Price Online. Find HK MR556 Rifle on Sale and in Stock with FREE Shipping from Xtreme Guns and Ammo TX. HK MR556 Semi Automatic, 16.5 inch Barrel, 30 round or 10 round