For all 3 pin 9mm, .40SW 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.