Zaffiri Precision Upper Parts Kit for Glock 43X/48

This upper parts kit from Zaffiri Precision provides all the small components needed to complete or refresh a Glock 43X or 48 slide assembly. Ideal for custom slide builds, this kit includes the firing pin assembly, firing pin spring, firing pin cups, extractor with loaded chamber indicator, extractor depressor plunger assembly, spring-loaded bearing, and firing pin safety components. Whether you're assembling an aftermarket slide or replacing worn factory parts, this kit delivers OEM-spec function without the need to source individual components.

All parts are manufactured to Glock specifications for drop-in installation. No gunsmithing required—basic disassembly and reassembly knowledge is sufficient for installation. Components are heat-treated and finished to withstand the rigors of daily carry or competition use. This is a complete upper parts solution for shooters building their own Glock 43X/48 or performing a complete slide refresh.

• Part Type: Upper Parts Kit
• Compatible Firearms: Glock 43X, Glock 48
• Material: Steel components, heat-treated
• Finish: Black oxide
• Installation: Drop-in (basic disassembly knowledge required)
• Includes: Firing pin assembly, firing pin spring, firing pin cups, extractor with LCI, extractor depressor plunger assembly, spring-loaded bearing, firing pin safety components