Sons Of Liberty Gun Works M4-89 Complete Upper 223 Remington/556nato 10.5" Combat Barrel Qpq Finish Black 9.5" M89 M-lok
Sons of Liberty Gun Works M4-89 Complete Upper, 223 Remington/556NATO, 10.5" Combat Barrel, QPQ Finish, Black, 9.5" M89 M-LOK Handguard, A2 Flash Hider M489UPPER-10.5-556Model: M4Caliber: 223 Remingto...