The FN SCAR 16S is the semi-auto civilian variant of the FN SCAR-L used by U.S. Special Operations Command. It uses FN's short-stroke piston system, a folding polymer stock, and accepts standard STANAG magazines. The SCAR 16S was adopted by USSOCOM for the SCAR program in 2004. Type: Semi-Auto Rifle Action: Short Stroke Piston Caliber: 5.56x45mm Capacity: 30 Year introduced: 2009, Belgium Weight: 7.25 oz Overall length: 37.5" Status: Active Military use: Yes Intended use: Military, Duty, Range