Serrated aluminum button extends 1/4" to the rear for excellent
thumb purchase; easy-to-reach without breaking your shooting
grip. Uses a modified factory release so no metal comes in contact
with plastic magazine. Provides a drop-in fit for small or large
frame guns.
SPECS: Plastic and aluminum, black, matte finish. Extends .25"
(6.35mm) to the rear. Small Frame fits - 9mm, .40 S&W
and .357 SIG frames, including G36. Large Frame fits -
10mm and .45ACP.
Catalog page 206