This unit installs in the bottom rear cavity of the frame utilizing a friction fit for retention. Fits model M17, 18, 19, 22, 23, 24, 31, 32, 34, 35, 37, and 38. This product will only fit new Generation 4 frames. Allows for use of factory interchangeable backstraps.
(Will not fit 20 and 21 models)
Key benefit
Helps keep debris out of the magazine well.