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. 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 1-5. Not compatible with G42, G43, G43X, G48.