For all 3 pin 9mm, .40 S&W and .357 Sig Glock models. Comes standard on G17L, G24, G34, G35.
Fits the 2 pin G19. Does not fit the following 2 Pin Glock Models: 17, 17L, 34.
Please note: 3 pin Glock models refers to Glock pistols that have two pins above the trigger and one pin in the rear of the frame.