Delton dt sport mod2 carbine 5.56mm 16" 30rd black w/sights FEATURES: -Caliber: 5.56mm-16" Melonite steel barrel, Threaded w/ A2 Flash Hider-Phosphated 8620 Steel carrier assembly-Forged 7075 T6 Aluminum upper & lower receiver, Mil-Spec-A2 Grip-Mako rear sight-M4 6-position buttstock-One 30-round magazine-Weight: 5.8 lbs-Overall length: 32.625"-36.375" Other Features: A2 front sight, mako rear sight carbine-length gas system lightweight profile del-ton rifles and components are all made in the u.S.A.Aluminum upper/lower receiver,