Scope Mount Ruger MkI MkII 22/45 No Gunsmithing
If you have and older Ruger MKI, MKII that's not drilled and tapped you can install this SCOPEMOUNT without making any permanent alterations to your favorite pistol. Remove the rear sight, insert the threaded dovetail filler and install the mount with the screws provided. Accepts all Weaver-style rings and accessories. 5-1/4" long, silver or Black, matte anodoized finish, weighs 2.5 ounces.