It is a modern combat rifle developed by Belgian company FN Herstal, specifically designed to meet the special operations needs of the US military. It belongs to the SCAR series, where "SCAR" stands for "Special Forces Combat Assault Rifle". The MK-17 model specifically uses 7.62 × 51mm NATO full power rifle ammunition, which has significant lethality and range. Known for its high modularity and multi caliber versatility, the gun is equipped with Picatinny rails that allow for quick replacement of parts according to mission requirements. The design emphasizes ergonomics, and operating components such as the handle and magazine buckle can be operated on both sides, suitable for left and right hand use.