Familiar handling unfamiliar power SIG SAUER has taken the proven features of the SIG516 and applied them into a potent AR-based rifle chambered in 7.62 NATO. Utilizing the tried and true Direct Impingement System an M1913 Mil-Std rail free-floating barrel aluminum forend and telescoping stock the SIG716 is the rifle of choice when you require the power of a larger caliber carbine. - CALIBER: 308 Win - BARREL LENGTH: 16 in (406 mm) - MAGS INCLUDED: (1) 20rd Polymer Mag - MAG TYPE: AR-10 - ACTION TYPE: Semi-Auto - STOCK TYPE: Telescopic - BARREL MATERIAL: Carbon Steel - TRIGGER TYPE: 2 Stage Matchlite Duo - TWIST RATE: 1:10 - FOREND TYPE: Alloy - GRIP TYPE: Polymer - RECEIVER FINISH: Hard Coat Anodized - OVERALL LENGTH (IN): 37 in (940 mm) - OVERALL WIDTH: 2.5 in (64 mm) - HEIGHT: 8 in (203 mm) - THREADS: 5/8 in-24 tpi - ACCESSORY RAIL: M-LOK - OPERATING SYSTEM: Direct Impingement - WEIGHT (OZ): 8.5 lb (3.85 kg)