Spike's Tactical Gen 2 Billet Upper Receiver
Spike's Tactical Gen 2 Billet Upper Receiver, Spike's Tactical Gen 2 Billet Upper Receiver, 223 Rem/556nato, Black Finish, Mil-spec Barrel Nut Sft50b2Model: Generation 2Product Type: UpperFinish/Color: BlackDescription: Mil-Spec Barrel NutCaliber: 223 Remington