Ruger 10/22 Extended Capacity
Super Thumb ST4
Extended capacity Ruger 10/22 magazines
$6.95Web Price
Width
1.65" (42.2 mm)
Height
1.28" (32.5 mm)
🚚 Ships $4.95 — free on 5+🛡️ Lifetime warranty
← Confirm this fits your firearm in the Model FinderST4 covers 1 confirmed firearm fit across 1 manufacturer. Always verify fitment before purchase.
Confirmed Fitment — 1 Model
Sourced from ADCO's verified fit chart. Confirm before ordering.