.223. 16" barrel. SN: LLC000523. Black anodized finish to receiver with Parkerized steel parts mounting A2 style sights on carry handle upper, four-position butt, and round black synthetic handguard with heat shield. Gas impingement driven rotating bolt semi-automatic rifle fed by detachable box magazines. Item mounts front and rear sling loops, the rear one to butt, along with a bayonet lug, and birdcage flash hider. Left receiver struck with maker marking COLT DEFENSE/HARTFORD, CONN./MADE IN CANADA with left magazine well showing AR-15 AT/GOV'T CARBINE model marking. Right receiver marked RESTRICTED/MILITARY/GOVERNMENT/LAW ENFORCEMENT/EXPORT/USE ONLY.  Barrel is struck C MP 5.56 NATO 1/7, indicating it has a chromed bore and 1:7 twist rate. Lacks magazine. Comes with nylon sling. {FFL}

Good to Very Good. Bore is Very Bright with sharp rifling throughout. Metal finish with some light scratches to right receiver and upper barrel. Some internal cycling wear. Light handling marks to synthetic furniture. Action functions when cycled by hand.