Rowe Tactical Rear Slide Cover Plate for Glock Gen 1-4 - Olive Drab - No Step On Snek Compatible with Glock models G17, G19, G21, G22, G23, G24, G26, G27, G29, G30, G31, G32, G33, G34, G35, G36, G37, G38, G39, G40, G41, G45, Gen 1-4. *Not compatible with G42, G43, G43X, G48.* Ultra High resolution, durable laser engraved artwork. Not painted. Olive Drab anodized hard coat finish. Premium billet, mil-spec, aircraft grade, T6, machined aluminum. Not plastic. Quick and easy install, replaces plastic factory part.