HK MR556-A1 5.56mm Rifle – Factory CA

$2,839.00

Category: Product ID: 1525

Description

Factory converted CA compliant Fixed-Magazine rifle. Uses a Juggernaut Tactical Hellfighter device. The magazine release cannot be actuated until the action is disabled. Activating the rear takedown pin will open the upper enough to enable the magazine release. 

Based off 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.

The MR556A1 uses the HK proprietary gas piston operating system, employing a piston and a solid operating “pusher” rod in place of the gas tube normally found in AR15/M16/M4-style firearms. This method of operation virtually eliminates malfunctions that are common to direct impingement gas systems since hot carbon fouling and waste gases do not enter the receiver area. This is the same key feature critical to the success of the HK416 rifles used by leading military and law enforcement customers.

The MR556A1 is produced in the USA using American and German made components. The MR556A1 uses many of the same assemblies and accessories originally developed for the HK416 including the HK free-floating rail system. The HK Free Floating Rail System (FFRS) handguard utilizes a modular rail system. The HK rail system can be installed and removed with simple tools and returns to zero when reinstalled. The MR556A1 also has a Picantinny rail machined into the top of its upper receiver for mounting optics and mechanical sights. MR556A1 upper receiver kits can be used to retrofit competing legacy AR systems.

Like the famous HK416, the MR556A1 uses a German-made barrel produced by Heckler & Koch’s famous cold hammer forging process. The highest quality steel is used in this unique manufacturing process producing a barrel that provides superior accuracy and long service life. But unlike the HK416, the MR556A1 does not use a chrome-lined barrel. Chrome-lining can sometimes mask bore imperfections and negatively affect accuracy. For the new series of Heckler & Koch semi-automatic MR rifles, HK designers and engineers believe best accuracy comes with an unlined bore.  

Dimensions
Length, maximum (stock extended) 37.68 in.
Length, minimum (stock retracted) 33.90 in.
Overall Width 3.07 in.
Height 9.45 in.
Barrel Length 16.5 in.
Weight
Rifle (without magazine) 8.60 lb.
Magazine (empty 10 round magazine) .31 lb
Other Specifications
Trigger Pull 7.64 lb
Barrel Profile 6 lands & grooves, right twist, 1 in 7 in
Sight Radius 14.60 in.

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