owneRs manual: Handling & SafeTy inSTrucTionS - Sig Sauer

when it counts 2.1.9. SightsThe SIG516 rifle features integrated Mil-Std M1913 rails on the upper receiver and the Quad Rail Hand Guards. Theserails may be used for attaching a variety of sighting systems, both optical and fixed. Some models feature SIG SAUER flipup front and rear sights as a standard feature. These sights are designed to provide a simple, durable sighting solutionshould you decide not to use an optical device. Markings on all rail surfaces give you a reference point to reattach yoursighting system in exactly the same place should you need to remove it for service.FIG 17 Front and rear sightswww.sigsauer.com 35