Loading .22 LR magazines by hand is tedious and tough on your thumbs—especially when you're running high-round-count practice sessions or prepping for a match. The ADCO Super Thumb JR .22 cal mag loader takes the pain and fatigue out of magazine loading for your rimfire target pistol. If you shoot a Ruger, Colt, Browning, High Standard, Smith & Wesson 22A/22S, or Beretta U22 Neos, this polymer speedloader fits your magazines and lets you load rounds faster and with less hand strain, so you can focus on trigger time instead of sore thumbs.

Built from durable polymer, the Super Thumb JR is lightweight, compact, and designed to fit comfortably in your range bag or competition kit. Whether you're zeroing at the range, prepping for rimfire matches, or just running volume through your favorite .22 target gun, this loader keeps your hands fresh and your workflow smooth. It's the kind of unglamorous accessory that makes a real difference once you've loaded a few hundred rounds by hand.

Compatible with the most popular .22 target pistols on the market, the Super Thumb JR pairs function with simplicity—no learning curve, just load and shoot. A practical addition to any rimfire shooter's toolkit.

Key Features

• Designed for .22 LR target pistol magazines from Ruger, Colt, Browning, High Standard, S&W 22A/22S, and Beretta U22 Neos
• Polymer construction—lightweight and durable
• Reduces hand fatigue and strain when loading high-round-count practice sessions
• Compact design fits easily in range bags and gear kits

Specifications

Frequently Asked Questions

What .22 pistols does the Super Thumb JR work with?

The ADCO Super Thumb JR is compatible with target pistol magazines from Ruger, Colt, Browning, High Standard, Smith & Wesson 22A and 22S models, and the Beretta U22 Neos.

Will this help with hand fatigue when loading magazines?

Yes. By using a mechanical loader instead of loading rounds by hand, the Super Thumb JR significantly reduces thumb and hand strain, especially during long practice sessions or high-volume shooting.

Is the Super Thumb JR easy to carry to the range?

Yes. The polymer construction keeps it lightweight and compact—it fits easily in a range bag, gear kit, or shooting vest without taking up much space.