Glock® 17 Compatible Upper Parts Kit | Polymer80
About this product
Complete Your Glock® 17 Build with Our Premium Upper Parts Kit
If you’re embarking on an 80% build to create a custom gen 3 Glock® 17 compatible pistol, our Upper Parts Kit is the essential component you need. This kit includes all the high-quality internal parts required to transform your slide into a fully functional unit, ensuring reliability and performance. Designed for enthusiasts and builders who demand precision, this kit is a cornerstone for any DIY firearm project.
What’s Included in the Kit
- Firing pin and firing pin spring for consistent ignition
- Firing pin spring cup and firing pin safety for enhanced safety
- Firing pin safety spring and 9mm extractor for smooth ejection
- Extractor depressor plunger and spring for reliable operation
- Channel liner, spacer sleeve, and steel cover plate for durability
- Polymer guide rod (including washer and screw) and guide rod spring for recoil management

Technical Specifications and Compatibility
This kit is specifically engineered for gen 3 Glock® 17 models, ensuring a perfect fit and seamless integration. Note that it does not include sights or a barrel, allowing you to customize those elements based on your preferences. Whether you’re a first-time builder or an experienced gunsmith, this kit from Polymer80 provides the reliability and quality you expect, backed by years of expertise in the firearms community.
Why Choose This Kit?
Built with precision and tested for performance, each part is manufactured to meet strict standards. This not only boosts your build’s functionality but also enhances safety and longevity. Ideal for home builds, repairs, or upgrades, it’s a trusted choice for achieving a professional-grade firearm. Explore our full range of products to complete your setup and enjoy the satisfaction of a custom-built pistol.
Specs at a glance
What's in the box
- Glock® 17 Compatible Upper Parts Kit | Polymer80