The GLOCK Magazine Floor Plate (3206) is a factory OEM part that works for square-notch metal-lined magazines and works for 9MM / .357 / .380 / .40 / .45 GAP models.
Square-notch metal-lined mags. May/may not be marked 3206.
Models: G17, G19, G22, G23, G24, G25, G26, G27, G28, G31, G32, G33, G34, G35, G37,G38, G39 (including Gen4)
Excludes: G42, G43