Super Thumb by ADCO Arms Co.
Super Thumb ST1 product image
Double-Stack

Super Thumb ST1

Most Double-Stack Magazines

$6.95Web Price

Width

1.29" (32.5 mm)

Height

0.86" (21.9 mm)

🚚 Ships $4.95 — free on 5+🛡️ Lifetime warranty
Or Order by Phone: 781-935-1799Send a Message
← Confirm this fits your firearm in the Model Finder

ST1 covers 65 confirmed firearm fits across 22 manufacturers. Always verify fitment before purchase.

Confirmed Fitment — 65 Models

Sourced from ADCO's verified fit chart. Confirm before ordering.

Astra (2 models)

A80✓A90✓

Beretta (6 models)

Cougar 8000✓8040✓APX✓PX4✓92✓96✓

Bersa (4 models)

Ultra Compact Pro 9✓Ultra Compact Pro 40✓Ultra Compact Pro 45✓TPR9C✓

Browning (1 model)

High Power✓

CZ (2 models)

75✓97B✓

Colt (2 models)

2000✓1911 equivalents✓

FNP FNS (2 models)

9mm✓509 TAC✓

Glock (2 models)

43✓48✓

IMI (1 model)

Baby Eagle✓

IWI (1 model)

Jericho✓

Keltec (2 models)

9mm✓40✓

Mossberg (1 model)

MC1SC✓

Rock Island (1 model)

MS✓

Ruger (8 models)

SR9✓P85✓P89✓P93✓P94✓P95✓PC9✓EC9✓

S&W (6 models)

59✓Sigma✓M&P9✓M&P40✓SD9VE✓Shield +✓

SCCY (1 model)

9mm✓

Sig (6 models)

226✓228✓229✓250✓320✓365 SP2022✓

Springfield (5 models)

XDE✓XDS✓XDM✓XD40✓Hellcat✓

Star (3 models)

28✓30✓31✓

Steyr (2 models)

Mod. M✓Mod. 9✓

Taurus (6 models)

PT92✓111✓917✓G2/C✓G3/C✓GX4✓

Walther (1 model)

P99✓

Other Super Thumb Models

ST2

Super Thumb ST2

Most Wide Body Double-Stack Magazines

$6.95

ST3

Super Thumb ST3

Most Single-Stack Magazines

$6.95

ST4

Super Thumb ST4

Extended capacity Ruger 10/22 magazines

$6.95

ST5

Super Thumb ST5

Most .380 Double-Stack Magazines

$6.95