This billet aluminum trigger with trigger bar assembly fits Glock 17, 18, 19, 22, 23, 24, 26, 27, 31, 32, 33, 34, 35, 37, 38 and 39 pistols, Gen 1 through Gen 4. It replaces the stock polymer trigger with a machined aluminum unit and includes the trigger bar assembly. Fit: Gen 1-4 Glock models listed above. It is not listed for Gen 5 pistols or for the slimline 42, 43, 43X and 48. Finish: The trigger housing and trigger shoe come in multiple color combinations, so you can match your slide, frame or controls. Choose your combination from the options above. Features: Billet trigger housing machined from 6061 aluminum Includes trigger bar assembly Upgrade from the stock polymer trigger Multiple housing and shoe color combinations Fits Glock 17/18/19/22/23/24/26/27/31/32/33/34/35/37/38/39 Gen 1-4 Confirm your model and generation before ordering. After installation, function-check the pistol, including trigger reset and the safety plunger, before live fire. DISCLAIMER: "GLOCK" is a federally registered trademark of GLOCK, Inc. and is one of many trademarks owned by GLOCK, Inc. and GLOCK Ges.m.b.H. Neither 3CR Tactical nor this site are affiliated in any manner with, or otherwise endorsed by, GLOCK, Inc. or GLOCK Ges.m.b.H. The use of "GLOCK" on this page is merely to advertise the sale of GLOCK pistols, parts, or components. For additional genuine GLOCK, Inc. and GLOCK Ges.m.b.H products and parts visit www.glock.com.