FN SCAR-L in 5.56mm. U.S. SOCOM's primary assault rifle replacement for the M4 in certain units. Type: Rifle Action: Semi-Auto Caliber: 5.56x45mm Capacity: 30 Year introduced: 2009, Belgium Weight: 7.25 oz Overall length: 35.5" Status: Active Military use: Yes Intended use: military, duty, competition