SN: 241-405601. Modern production 5.56 NATO with a 16.5″ Barrel with 1:7in Twist and flash hider. Bore is bright with excellent rifling. Semi auto tactical rifle, piston operated with MLOK Handguard System and Magpul pistol grip. Full Length MIL-STD 1913 Optical Rail. Finish is in excellent condition. Polymer stock and pistol grip are in excellent condition. Comes with 1 Magpul 30rd Magazine. (DALLAS LOCATION)