A direct descendant of the world-famous HK416, the MR556A1 is the commercial carbine from the same DNA. 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…

The latest update from HK-USA to the commercial variant of the legendary HK416, the MR556 A4 represents an enhanced example of “no compromise” HK performance. Chambered in 5.56 x 45mm, its short-stroke gas piston operating system does not impart hot carbon fouling back into the action, allowing the weapon to…

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.

The standard HK MR556A1 is an improved MR556, the civilian version of the famous HK416. This semi-automatic rifle has a light recoil and comfortable bumper plate. HK features a proprietary keyhole design on this model that allows Picatinny rail segment attachments to the handguard, as well as a factory machined Picatinny rail to the upper receiver.

4 天之前 · Explore the features of the HK MR556 A4, a revolutionary firearm inspired by military needs and advanced design.

Semi automatic 5.56/.223 AR15 rifle with a 16.5" cold hammer forged barrel. Its short-stroke gas piston operating system does not impart hot carbon fouling back into the action, allowing the …

MANUFACTURER: Heckler and Koch (HK USA) FAMILY: MR556 Series MODEL: MR556 A4 TYPE: Rifle ACTION: Semi-Auto CALIBER/GAUGE: 223 Rem | 5.56 NATO FINISH: Black FINISH TYPE: Black STOCK: Collapsible / Folding Stock STOCK/GRIPS: HK416 Slimline Furniture BARREL: 16.5" OVERALL LENGTH: 33.25" to 36.5" RATE-OF-TWIST: 1-in-7" CAPACITY: 10 + 1 # OF ...

Fully ambidextrous controls, lighter weight and a slimmer profile make the new A4 easier to operate, manipulate and employ. For those who demand an AR with unmatched capability and uncompromising reliability and durability, the MR A4s remain the top tier solution. Features. Was the information on this page helpful?

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 HK416, the MR556A1 is a major product improvement over conventional AR-type carbines and rifles.

HK MR556 A4 223 Remington/5.56x45mm, 16.5" Barrel, Black, M-Lok Handguard, 30rd. HK Heckler and Koch 81000827. The latest update from HK-USA to the commercial variant of the legendary HK416, the MR556 A4 and MR762 A4 represent an enhanced example of no compromise HK performance. Its short-stroke ...