Ruger 90623 Mark III/IV Scope Base 22/45 Black Hard Coat Anodized
Ruger 90623 1913 Picatinny rail, fits mark III, IV and 22/45, manufactured in United States., Ruger 90623 1913 Picatinny rail, fits mark III, IV and 22/45, manufactured in United States.
Ruger 90623 1913 Picatinny rail, fits mark III, IV and 22/45, manufactured in United States., Ruger 90623 1913 Picatinny rail, fits mark III, IV and 22/45, manufactured in United States.