ZAFPRE Upper Parts Kit for Glock 19 Gen 4

This upper parts kit provides all the essential components needed to complete a Glock 19 Gen 4 slide build or replace worn factory parts. Includes extractor, firing pin, firing pin spring, extractor spring, spring-loaded bearing, firing pin safety, and firing pin safety spring—everything required for proper slide function and reliable extraction.

Manufactured to OEM specifications with heat-treated steel and corrosion-resistant finishes where applicable. Drop-in installation for builders familiar with Glock disassembly and reassembly. Verify headspace and function testing after installation as with any parts replacement.

• Part Type: Upper Parts Kit
• Compatible Firearms: Glock 19 Gen 4
• Material: Steel Components
• Finish: Black
• Installation: Drop-In (Armorer Knowledge Recommended)
• Includes: Extractor, Firing Pin, Firing Pin Spring, Extractor Spring, Spring-Loaded Bearing, Firing Pin Safety, Firing Pin Safety Spring