Confirmed Fitment
Glock 42 Magazine Loader
The Glock 42 is confirmed to fit the Super Thumb ST5 magazine loader from ADCO. The original Super Thumb loads Glock 42 magazines faster and with far less thumb strain — a purpose-built tool, not a one-size-fits-all compromise.
Your Fit
Super Thumb ST5
.380 Double-Stack
Width
1.22" (32.8 mm)
Height
0.82" (21 mm)
Review ST5 dimensions against source document before publishing.
Not 100% sure? Confirm before you order.
Super Thumb loaders are model-specific. Use the Model Finder to double-check your exact firearm and magazine, or call ADCO Arms and we'll confirm the right loader for your Glock 42. Every Super Thumb is backed by a lifetime warranty.