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  OUR PRICE: $1999 W/ FULL INSURANCE AND FEDEX 2ND DAY AIR INCLUDED while they last!

MR556 A4

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 run longer, with less maintenance and with less wear on internal components than direct-impingement ARs. Its adjustable gas regulator allows the operator to tune the action specifically for suppressed or unsuppressed operation. 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.

 

ID NumberUPC CodesDescriptionMSRP
81000827 642230269408 MR556A4, 16.5″ barrel, 1-30rd Magazine 4,299
81000828 642230269415 MR556A4, 16.5″ barrel, 1-10rd Magazine 4,299
81001033 642230269422 MR556A4, (CA Compliant) 16.5″ barrel, 1-10rd Magazine 4049

Price: $1,999.00

This kit includes a complete upper receiver/barrel assembly, allowing Mil-Spec 5.56mm AR-style rifles to be retrofitted to HK’s piston and pusher rod system. This system utilizes a piston and a pusher rod in place of the gas tube normally found in AR15/M16/M4-style rifles. This closed system virtually eliminates the malfunctions that are common in direct-impingement gas systems, since hot carbon fouling and waste gasses are not propelled into the receiver area to operate the action. This is the same key feature critical to the success of the HK416 used by elite military and law enforcement customers. Upper will ship in HK Soft case.