The MR556 A4 from HK-USA takes the legendary HK416 to the next level, embodying the unmatched performance and reliability that has become synonymous with HK. Chambered in 5.56x45mm, this rifle utilizes a short-stroke gas piston system that prevents hot carbon fouling from entering the action, ensuring longer operational life with less maintenance and reduced wear on internal components compared to traditional direct-impingement AR systems. The adjustable gas regulator provides the flexibility to fine-tune the rifle for both suppressed and unsuppressed use, offering optimal performance in various environments. With fully ambidextrous controls, a lighter build and a streamlined profile, the MR556 A4 is designed for superior ease of operation, making it a standout choice for both professionals and enthusiasts seeking uncompromising reliability and versatility.

The Heckler & Koch MR556 A4 is a precision-engineered semi-automatic rifle chambered in 5.56x45mm for tactical performance
Featuring a 16.5 Inches barrel, this rifle delivers exceptional accuracy and long-lasting durability

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