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. 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.