The Shield Arms Premium S15 Steel Magazine Catch for Glock 43X/48 pistols features enhanced ergonomics and optimized design for left-handed shooters. Constructed from steel with a durable Black Nitride coating this premium catch eliminates hard angles for smoother magazine reloads.Shield Arms Premium Magazine Catch for Glock 43X/48Left-hand specific design (not ambidextrous)Steel construction with Black Nitride finishExtended catch face (~0.03" longer than standard)Enhanced ergonomic knurling for improved gripOptimized for Shield Arms S15 steel magazinesMade in USA with 100% Lifetime WarrantyWARNING: Does not function with plastic OEM magazinesPerfect for Glock 43X/48 owners seeking enhanced magazine release performance with steel magazine systems. The left-hand specific design provides optimal ergonomics and reliability for southpaw shooters.