ADCO Super Thumb IV Magazine Loader For 10/22 Style Magazines ST22. OpticsPlanet Inc is an Authorized US Distributor for ADCO International Shooting Accessories. Super thumb the worlds #1 magazine speed loader line now offers 6 models to cover most popular center fire pistols along with 10/22 style magazines. The most popular of the line the ST1 is used with most of the staggered magazines and with some single column magazines as well. Specifications for ADCO Super Thumb IV Magazine Loader For 10/22 Style Magazines: Manufacturer: ADCO Finish: Black Caliber: .22 Long Rifle Gun Make: Ruger Gun Model: Ruger 10/22 Package Contents: ADCO Super Thumb IV Magazine Loader For 10/22 Style Magazines This picture above is representative of the group of items. It may not match the exact item that you are looking at. Please make sure to read the description of the individual item. We offer complete line of ADCO International Shooting Accessories. For our complete selection of products by ADCO on sale please visit our ADCO page. For more Shooting Accessories please visit our Shooting Accessories store section. ADCO International Adco Super Thumb Magazine Loading Tool For 10/22 Style Magazines ST22