The FN SCAR-H (Heavy) is the 7.62x51mm variant of the SCAR system, designated MK17 by US SOCOM. It shares the modular design of the SCAR-L with a larger receiver to accommodate the 7.62mm cartridge. Adopted by US SOCOM as a designated marksman and recce weapon, it remains in active special operations service. Type: Rifle Action: Semi/Full-Auto Caliber: 7.62x51mm Capacity: 20 Year introduced: 2004, Belgium Weight: 128 oz Overall length: 37.9" Status: Active Military use: Yes Intended use: military, special_operations