FXFRBS
FAB DefenseFAB Defense FXFRBS Front/Rear Folding Back-Up Sights AR-15/ M16/ M4 Low Profile Dual Aperture Rear Sight Black Polymer and MetalAdd to cartGun SightsFAB Defense FXFRBS Front/Rear Folding Back-Up Sights AR-15/ M16/ M4 Low Profile Dual Aperture Rear Sight Black Polymer and Metal
$86.30Add to cartFAB Defense FXFRBS Front/Rear Folding Back-Up Sights AR-15/ M16/ M4 Low Profile Dual Aperture Rear Sight Black Polymer and Metal
