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 MR556A1 is an improved version of the MR556 with a free floating modular rail system, Picatinny rail, and interchangeable receiver assemblies. The MR556A1 is the civilian version of the HK416, a fully automatic weapon used by Navy Seals still today.

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 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.

Heckler & Koch MR556A1 5.56mm NATO 30+1 16.5" 75th Anniversary Tropentarn Camo Rifle - $2970 after code "SPRING10" MR556A1 The HK MR556A1 75th Anniversary Edition celebrates decades of innovation with a highly refined design. Chambered in 5.56x45mm, this rifle features a 16.5" black steel 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 …

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 MR556 Rifles. View as Grid View List View. 17 Items . Filter. Sort. Set Descending Direction. HK MR556A4 16.5" 5.56 NATO Rifle, Black - 81000827 . Out of Stock. Notify When In Stock. Add to Wish List Add to Compare. HK MR556A1 16.5" 10 Round 5.56x45 Rifle, Black - 81000580 ...

A direct descendant of the world famous HK416, the MR556A1 is a semi-automatic rifle developed by Heckler & Koch as a premium-level commercial/civilian firearm.Like the HK416 and M27, the MR556-A1 uses a proprietary HK gas piston and pusher-rod operating system in place of the gas tube normally found in AR15/M16/M4-style rifles.This closed ...

Its adjustable gas regulator allows the operator to tune the action specifically for suppressed or unsuppressed operation. While fully ambidextrous controls, lighter weight and a slimmer profile make the new A4 easier to operate, manipulate and employ.