<p>Familiar Handling, Unfamiliar Power, SIG SAUER® has taken the proven features of the SIG516â„¢ and applied them into a potent AR-based rifle chambered in 7.62x51mm. Utilizing the short stroke pushrod operating system, an M1913 Mil-Std rail, free-floating barrel, aluminum forend, fixed stock, and Magpul® PMAG®, the SIG716 is the rifle of choice when you require the power of a larger caliber carbine. Sans flashhider. Stock and grip may vary from item pictured. Specifications are subject to change. Action Semi-Auto Operating System Short stroke pushrod, rotating Bolt Caliber 7.62 X 51 mm NATO Length 38.3 in – 31.1 in / 972.8 mm – 789.9 mm Trigger Type MIL-SPEC Trigger Weight 7.6 lbs Barrel Length 16 in / 457.2 mm Rifli” Number of grooves 6 Weight w/out Mag 9.3 lbs / 4.22 kg Mag Capacity 10 Rounds Mag Type Magpul PMAG Accessory Rail Yes Features Short stroke pushrod operating system with 4 position gas valve, Quick-Detachable Ambi-Sling Mounts, Flip-Up Front and Rear Iron Sights, Ambidextrous Magazine Release</p>