The FN SCAR 17S is the semi-auto civilian variant of the MK17 SCAR-H in 7.62x51mm NATO. It shares the same folding stock and piston system as the SCAR 16S but in a scaled-up platform for the larger cartridge. The SCAR 17S became popular in the precision and competition community for its accuracy and reliability. Type: Semi-Auto Rifle Action: Short Stroke Piston Caliber: 7.62x51mm Capacity: 20 Year introduced: 2009, Belgium Weight: 8 oz Overall length: 38.5" Status: Active Military use: Yes Intended use: Military, Precision, Range