Fine Guns | Accessories | Gunsmithing
"See-Thru" Fiber Optic Rear Sight Insert. This unique all-steel sight with fiber optic centerline allows for a fast shot without blocking the view of the target. We find that it works well with our "Universal" front sights. Available in 5 overall heights. Overall Height (OH) is measured from the bottom of the 16mm dovetail base to top of sight blade. Notch Height (NH) is measured from the bottom of the 16mm dovetail base to the bottom of the "U" notch. R-205-356 = OH: 9mm / .356" NH: .278" R-205-394 = OH: 10mm / .394" NH: .315" R-205-472 = OH: 12mm / .472" NH: .394" R-205-551 = OH: 14mm / .551" NH: .473" R-205-630 = OH: 16mm / .630" NH: .551" 16mm dovetail length to be used with our Classic Rear Sight Base R-201B (SOLD SEPARATELY). Classic base height from barrel to dovetail 5mm / .200".