SN: M4CE03019. Modern production 5.56 with an 14.5 Pin & Weld Barrel (16″ OAL) with flash hider. Bore is bright with excellent rifling. Semi-Auto Carbine with Nights Armament Foregrip and Rail Covers. Finish is in excellent condition. Synthetic stock and grip are in excellent condition. Overall condition is excellent, comes with box and sling.(DALLAS LOCATION)