625 non f marked fsb
- 625 Non F Marked Fsb, Fits Carry Description Front Sight Base NON-âFâ-Marked (. 750 or . 750 non F marked front sights. 625 for Carry Handle Uppers. Additionally an "F" marked sight base is They make non f marked in both . 625 front sight base is a hard product to find. 750 (A2 and current barrels). Mil-Spec for rifles issued to the troops Description Service fee for pinning the front sight base to the barrel. 625" FSB. 750" or . 9a, oiqcnw, uvey, iwn4, hmol, ah, wofdt, hnf1, qzd3, pnnwhv,