This Mounting Plate replaces the rear sight and allows the Burris FastFire family of Red Dots to easily mount to the Ruger Mark I, II, and III pistols utilizing the rear sights dovetail.
Kit includes all necessary hardware for mounting.
Pistol Compatibility: Ruger Mark I, II, III,
Optic Compatibility: Burris Fastfire I, II, III
Part Number: 410329