The Shield Arms Premium S15 Steel Magazine Catch is specifically engineered for Glock 43X/48 pistols with right-hand operation and premium DLC coating. This non-ambidextrous design eliminates hard angles for smoother magazine reloads.Shield Arms Premium S15 Steel Magazine CatchCompatible with Glock 43X/48 pistols - Right Hand specificExtended catch face (~0.03" longer than standard) for enhanced magazine engagementEnhanced ergonomic design with extended knurlingPremium DLC (Diamond-Like Carbon) coating finishOptimized for Shield Arms S15 steel magazines onlyMade in USA with 100% Lifetime WarrantyEssential upgrade for Glock 43X/48 owners using Shield Arms S15 magazines providing improved functionality and smoother reloads. Note: Does not function with plastic OEM magazines.