The HK MR556A1 Rifle 5.56×45 NATO is a premier, semi-automatic firearm engineered for durability and precision. Featuring a 16.5-inch barrel, this rifle delivers outstanding performance. The piston-driven operating system enhances reliability, reducing issues common to direct impingement systems. The free-floating rail system aids in accuracy, and the adjustable stock provides comfort during use. With a capacity of 30+1 rounds, this rifle is suited for various applications, from range shooting to tactical operations. Renowned for its high reliability and superior build quality, the HK MR556A1 is crafted using Cold Hammer Forged barrels and the finest materials, ensuring longevity and consistent performance. Additional features include ambidextrous controls and a corrosion-resistant finish, making it robust in diverse conditions. Overall, the HK MR556A1 is a high-caliber choice for firearm enthusiasts and professionals alike.