Confirmed Fitment
Bersa Unknown model Magazine Loader
The Bersa Unknown model is confirmed to fit the Super Thumb STSW magazine loader from ADCO. The original Super Thumb loads Bersa Unknown model magazines faster and with far less thumb strain — a purpose-built tool, not a one-size-fits-all compromise.
Your Fit
Super Thumb STSW
.22 Type
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 Bersa Unknown model. Every Super Thumb is backed by a lifetime warranty.