The JE Machine Tech Glock G19 Upper Parts Kit is designed for enthusiasts seeking to boost their firearm's performance while retaining its factory reliability. Crafted to meet OEM specifications, this comprehensive kit replaces the traditional polymer Guide Rod with a durable stainless steel unit for enhanced functionality. It includes essential components such as an extractor, firing pin, slide cover plate, and a black nitride unthreaded barrel engineered for precision. Compatible with all standard and aftermarket Compact Gen 1-3 G19 slides, this kit ensures that your Glock operates at its best, providing confidence and consistency when it matters most.Our Slide Parts kits are carefully crafted and meticulously inspected to exacting OEM specs. Our kit replaces the traditional polymer Guide Rod with a high strength stainless steel unit to bring out the very best out of your slide. If you're looking for enhanced performance while maintaining the legendary reliability of your factory Glock our Slide Parts Kit will deliver when you need it most. Suitable for all OEM or aftermarket Compact Gen 1-3 G19 compatible slides. The complete Upper Parts Kits will include: Extractor Extractor Depressor Plunger Extractor Depressor Plunger Spring Spring -Loaded Bearing Slide Cover Plate Firing Pin Spacer Sleeve Firing Pin Spring Spring Cups Firing Pin Safety Firing Pin Safety Spring Channel Liner Channel Liner Tool Stainless Steel Guide Rod and Recoil Spring Assembly Unthreaded Barrel for G19 Black Nitride Finish 4150 Black Nitride Unthreaded Barrel 1:16 Twist 9 MM Caliber