Ruger Magazine 22/45 MKIII 22LR 10RD AP10MKIII-10RD. 22 caliber magazine fits the Ruger Mark III 22/45 and Mark III 22/45 Lite. Genuine Ruger Factory Accessory Specifications for Ruger Magazine 22/45 MKIII 22LR 10 Round: Manufacturer: Ruger Gun Make:...