https://www.imparm.swiss/product-page/glock-slide-cover-plate?lang=en
Glock slide cover plate | imparm.swiss
Cover plate for locking piece
slide cover plateglockswiss
https://shop.saturdaymorningwesterns.com/shooting-sports/parts-gunsmithing/handgun-parts/glock-slide-cover-plate/detail/353ff58e-a990-4779-acc5-a8106c5b66ea/55ba28e7-2211-4bea-b0a6-cfdaf83acd01
Timber Creek Outdoor - Glock Slide Cover Plate
timber creekglock slideoutdoorcoverplate