Ghost Firearms Upper Receiver Rifle Lower Parts Kit 5.56mm 16in Carbine 4150 Moly Steel Barrel 1-7 Twist 14in M-LOK Free Float Hand Guard A2 Flash

Ghost Firearms Upper Receiver Rifle Lower Parts Kit 5.56mm 16in Carbine 4150 Moly Steel Barrel 1-7 Twist 14in M-LOK Free Float Hand Guard A2 Flash. 56 NATO Complete Upper Receiver w/ Rifle Lower Parts Kit is packed with high-quality parts that will help you build a powerful firearm. These Ghost Firearms AR15 Lower Parts come with Mil-Spec lower parts and a carbine length gas system. This Ghost Firearms 5.56x45mm NATO Complete Upper Receiver w/ Rifle Lower Parts Kit features a Mil-Spec 7075-T6 al