Slide Parts Kit Enhanced

Restore the heartbeat of your firearm or breathe life into a brand-new custom build with the Slide Parts Kit. Designed specifically for the Glock Gen 3 platform, this comprehensive package eliminates the frustration of hunting down individual springs and pins. Whether you are refreshing a high-round-count duty weapon or assembling a custom slide for competition, this kit provides the essential internals needed to ensure your upper assembly operates with factory-level precision and reliability.

Slide Parts Included

• Stainless Steel Recoil Spring Assembly

• Channel Liner

• Extractor

• Firing Pin

• Firing Pin Spring

• Spring Cups

• Spacer Sleeve

• Extractor Depressor Plunger

• Depressor Plunger Spring

• Spring-Loaded Bearing

• Slide Cover Plate

Features

• Comprehensive Component List: Includes every internal part required to complete a Gen 3 slide, ensuring you aren't left searching for a single missing spring cup or spacer.
• Precision Engineering: Each component is manufactured to strict tolerances, guaranteeing seamless fitment and consistent operation within your Gen 3 slide.
• Armorer-Ready Packaging: Designed as a grab-and-go solution for your workbench or range bag, making it an essential addition to any armorer’s toolkit for quick repairs.

Benefits

• Uncompromising Reliability: By replacing worn-out springs and extractors with fresh components, you ensure your firearm cycles smoothly and extracts consistently, round after round.
• Streamlined Assembly: Save time and effort with a single, all-inclusive kit that takes the guesswork out of sourcing compatible parts for your build.
• Custom Build Confidence: Provides a solid, dependable foundation for aftermarket slides, ensuring your custom project functions as good as it looks.

How can I install my Glock upper parts kit?
Installation requires a basic understanding of your firearm's anatomy. First, ensure the firearm is unloaded and field-strip the slide. You will need to carefully remove the slide cover plate—keeping your thumb over it to prevent the spring-loaded extractor and firing pin assemblies from launching. Remove the old internals, install the new channel liner (if necessary), and insert your new striker and extractor assemblies. Always perform a function check after reassembly to ensure safety and proper operation.

What is a Glock upper parts kit, and what does it include?
A Slide Parts Kit contains all the small internal components housed within the slide. While specific contents can vary slightly, a standard kit typically includes the striker (firing pin) assembly (spring, cups, and spacer sleeve), the extractor depressor plunger assembly (plunger, spring, and bearing), the firing pin safety plunger and spring, the extractor, the slide cover plate, and the channel liner.

Can I mix and match components from different Glock upper parts kits?
It is generally recommended to keep internal slide parts consistent within the same generation. Glock Gen 3 parts have specific geometries that differ from Gen 4 and Gen 5 parts—particularly the recoil spring assembly and the safety plunger. Mixing generations can lead to reliability issues, such as failure to extract or erratic ejection patterns. For the best results, stick to parts specifically rated for Gen 3.

Do Glock upper parts kits require any special maintenance?
The most critical maintenance rule for slide internals is to keep the striker channel (where the firing pin moves) clean and dry. Do not apply oil or grease inside this channel or on the striker assembly itself, as lubricants can attract carbon and debris, turning into a sludge that causes light primer strikes and ignition failures.

Will installing a Glock upper parts kit affect the performance or reliability of my firearm?
Yes, usually for the better. Replacing worn springs and extractors restores the mechanical timing of the slide, improving ejection consistency and ignition reliability. However, improper installation or using low-quality parts can negatively impact performance. Always verify that the firing pin safety is functioning correctly after installation to ensure the firearm remains safe to carry.

WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. www.P65Warnings.ca.gov.

“GLOCK” is a federally registered trademark of GLOCK, Inc. and is one of many trademarks owned by Ges.m.b.H., Inc. Neither Aim Arms nor this site are affiliated in any manner with, or otherwise endorsed by, GLOCK, Inc. pistols, parts, or components. For genuine products and parts, visit www.glock.com.