Although designed to help with wider high cap magazines, there is also a groove inside the mag well, front and rear, to align a 1911 style magazine. Years later and more innovations came along we expanded to a complete line as we offer now. If it is not and ADCO, it’s not a Super Thumb. The one that guaranteed not to break.
ST1 21.5mm x 32.5mm • 1-1/4” x 13/16”
Most Double-Stack Magazines
92, 111G2, G2c, G3, G3c, G3X, GX4, 1911