Sig-Sauer 516, 5.56mm/.223 cal. semi-auto carbine. Serial #20G000196. Excellent condition. Set-up like the U.S. military M4's with the outstanding EoTech Holo Sight (a $1000+ upgrade). Collapsible MagPul four-position stock. Folding front and rear sights. Flat-top with long rail. The excellent target Geissle trigger. MagPul grips and forearm grip. Amb. BCM Gunfighter charging handle. Piston. Includes two 30-rd. Pmags. Quad rail for any light or laser configuration. 16" stepped barrel with flash suppressor. Excellent bore. 99% matte black military finish. Includes factory hard case, manual and paperwork. Perfect for your own dose of Homeland Security! Gunrunner West item.