These sights provide highly visible dots that appear to emit a radiant glow in low light conditions - providing distinct aiming points for more accurate shooting. Front Sight Only; Steel bead style with fiber optic bead for all traditional Cap Locks, both octagonal and round barrels with dovetail (not for Black Mountain Magnum). TCA's fiber optic sights provide highly visible dots that appear to emit radiant glow in low light conditions providing distinct aiming points for more accurate shooting. The tang peep sights are all steel sights and are compact and fully adjustable for w
