With this complete set of super thumbs, when it's time for going to practice pistols shooting you are all set.This st4 model is compatible with ruger 10/22 mags with extended capacites.
Caliber: 22 LR
Capacity: Mag Loader
Finish: Black
Model: Super Thumb
Material: Polymer
Type: Magazine Loader
Model Fit: 10/22
Brand Fit: Ruger
Capacity: 0
