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 x 51mm. Utilizing the short stroke pushrod operating system, an M1913 Mil-Std rail, free-floating barrel, aluminum forend, telescoping stock, and Magpul® PMAG®, the SIG716 is the rifle of choice when you require the power of a larger calibercarbine.