Sig Sauer

One of the most tested and proven weapons systems in the world achieves ultimate refinement in the SIG516 rifle. With its Nitride treated military grade barrel and adjustable four-position gas regulator the piston-driven SIG516 incorporates all of the most desirable mechanical improvements. Add to these a free-floating forend and you have the most advanced versatile AR-based rifle available. - OPERATING SYSTEM: Gas Piston - CALIBER: 5.56 NATO - MAG TYPE: AR-15 - BARREL LENGTH: 16 in (406 mm) - MAGS INCLUDED: (1) 30rd Polymer Mag - ACTION TYPE: Semi-Auto - STOCK TYPE: Telescopic - BARREL MATERIAL: Carbon Steel - TRIGGER TYPE: MIL-SPEC - COLLAPSED/FOLDED LENGTH: 33.25 in (845 mm) - TRIGGER WEIGHT: 5.5-9.0 lb (24-40 N) - TWIST RATE: 1:7 - FOREND TYPE: Alloy - GRIP TYPE: Polymer - RECEIVER FINISH: Cerakote - OVERALL LENGTH: 36.5 in (927 mm) - OVERALL WIDTH: 3 in (76 mm) - HEIGHT: 7.75 in (197 mm) - THREADS: 1/2 in - 28 tpi - ACCESSORY RAIL: M1913 - WEIGHT:7.4 lb (3.4 kg)