Introducing the Pearce Grip Frame Insert for Glock 17, 19, 45 Gen 6. This unit installs in the bottom rear cavity of the frame utilizing the lanyard hole for retention. Fits model 17, 19, and 45. This product will only fit Generation 6 frames. Allows for use of factory interchangeable backstraps. FeaturesHelps keep debris out of the pistol frame.Gives the frame a sleek finished appearance