The Heckler & Koch MR556 A4 is a precision-engineered semi-automatic rifle chambered in .223 Remington/5.56 NATO. Featuring a 16.5" barrel, this AR-platform rifle delivers exceptional accuracy and durability. With a sleek matte black finish and a 10-round magazine capacity, the MR556 A4 is ideal for both tactical and sporting use.
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The MR556 A4 employs a proprietary short-stroke gas piston system, derived from the iconic HK416, ensuring superior reliability and reduced fouling for easier maintenance. Its cold hammer-forged barrel enhances accuracy and extends barrel life, while the free-floating handguard offers improved handling and customization options with ample Picatinny rail space.
The rifle features ambidextrous controls, making it convenient for both right and left-handed shooters. Its adjustable stock provides ergonomic comfort, and the optics-ready design allows users to mount their preferred sighting systems.
Heckler & Koch MR556 A4 Specifications
Caliber: .223 Remington / 5.56 NATO
Capacity: 10+1 Rounds
Barrel Length: 16.5"
Action: Semi-Automatic
Finish: Matte Black
Stock: Adjustable
Sights: None (Optics Ready)
Magazine: 1 Included
Weight: 8.6 lbs (unloaded)
Overall Length: 33.9" – 37.7" (adjustable stock)
More Information
Barrel Length
16.5
Caliber
5.56
Capacity
10
Condition
New in Box
Finish Per Color
Black
Manufacturer
Heckler and Koch
Manufacturer Part Number
81000828
Model
MR556A4
Type
Modern Sporting Rifles
UPC
642230269415
WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to WWW.P65WARNINGS.CA.GOV
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