Marble Arms RIFLE DOVETAIL FRONT RAMP .625'' ID .375'' BLACK 072330

Solid steel ramps for custom fitting fiber optic, ivory and brass bead sight blades. Available in two heights and four barrel contours to fit a wide selection of current and older production rifles. Ramp attaches to barrel with a single screw under the sight body and solder; flat base is drilled for two mounting screws.