Ruger MKIII Picatinny Mounts # SM-MKIII-01B # SM-MKIII-01S Ruger MKIII Scope Mount –Black (SM-MKIII-01B) $30 Ruger MKIII Scope Mount –Silver (SM-MKIII-01S) $30 This StormWerkz scope mount fits all factory drilled and tapped Ruger MKI, MKII, MKIII, Government Model, Competition, and 22/45 rim-fire pistols. Can be used with adjustable sights in place.