Upper Parts Kit for Glock 43 Compatible & PF9SS Builds | Polymer80
Specs at a glance
About this product
Complete Your Glock 43 Compatible Build with Our Premium Upper Parts Kit
Elevate your Polymer80 PF9SS or Glock 43 compatible pistol build with our meticulously crafted upper parts kit. Designed for reliability and performance, this kit includes all essential components to assemble a fully functional upper half, ensuring smooth operation and durability. Whether you’re a seasoned gunsmith or a DIY enthusiast, our kit simplifies the building process with high-quality parts that meet rigorous standards.
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 reliable ejection
- Extractor depressor plunger and spring for optimal extraction performance
- Channel liner, spacer sleeve, and steel cover plate for structural integrity
- Polymer guide rod (including washer and screw) and guide rod spring for recoil management
Technical Specifications and Compatibility
This upper parts kit is specifically engineered for Glock 43 compatible frames, including the Polymer80 PF9SS model. It ensures seamless integration and functionality, making it an ideal choice for custom builds. Each component is manufactured to exact specifications, providing a drop-in fit and reliable performance in various conditions.
Why Choose Our Kit?
Backed by Polymer80’s reputation for excellence, this kit offers exceptional value and quality. Our commitment to customer satisfaction and expertise in firearm components means you’re getting a product trusted by builders worldwide. Enhance your build with confidence, knowing every part is designed for longevity and precision.

Note: Always follow local laws and safety guidelines when assembling firearms. This kit is intended for legal use by responsible individuals.
What's in the box
- Upper Parts Kit for Glock 43 Compatible & PF9SS Builds | Polymer80