The fn scar 16s is the semi-automatic version of the us military's mk 16.Light, fast-handling and quick shooting, the fn scar 16s is chambered in 5.56x45mm and features a free-floating, cold hammer-forged mil-spec barrel with chrome-lined bore and chamber; fully ambidextrous operating controls instantly adapt to any shooter and any shooting position; receiver integrated mil-std 1913 optical rail and three accessory rails enable the mounting of scopes or electronic sights tactical lights and lasers; telescoping, side-folding polymer stock is fully adjustable for comb height and length of pull.Action: Semi-AutoCaliber: 5.56x45mm NATOBarrel Length: 16.25"Capacity: 30+1Safety: Ambidextrous Safety LeverOal: 27.50- 37.50"Weight: 7.25 lbsStock Description: Adj TelescopicReceiver Material: AluminumSights: Adj Folding Front/Iron ReadBarrel Description: CompensatedBarrel Length Range: 16" to 16.99"Weight Range: 7 lbs to 7.99 lbsHand: AmbidextrousStock Finish Group: Natural Camouflage