Glock Trigger Housing Pin Glock 17, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 37, 38, 39 Gen 4 with Modular Backstrap

This is a Glock factory original trigger housing pin. It is constructed of black polymer and designed for use with Gen 4 Glock pistols using a modular backstrap. The long trigger housing pin is needed to secure a modular back strap to your pistol frame.