Ultra High resolution, durable laser engraved artwork. Not painted. Blue 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 1-4. Not compatible with G42, G43, G43X, G48. This is a great replacement for a plastic factory part. Rowe Tactical machines slide back plates from the highest quality aircraft grade aluminum using the tightest tolerances to give you the exact fit you require. A blue anodized hard coat and laser engraved graphics give you a component with extreme durability! Hundreds of other designs available, Rowe Tactical offers custom engraving too!