These classic front ramps are CNC machined from bar stock steel and hot blued. The dovetail cut is the industry standard .375" (3/8") and the width of the ramp is .340", which is a perfect match for Marble's "MR" series Contour Front Sights. Top surfaces are serrated to eliminate accuracy robbing light reflections. Easily installed with a single heavy duty 6 x 48 screw (included).
Mounts to barrel with single mounting screw, included
Height is measured from base of sight to bottom of dovetail
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