Complete Handgun Build Guide Using OEM Slides Frames and FCUs
Building a handgun from the ground up requires a clear understanding of how each component functions and interacts. Whether you’re assembling a custom setup or rebuilding an existing firearm, the foundation of a successful build lies in choosing reliable OEM components.
Core Components Explained
Slides
The slide houses critical components that control firing and cycling.
Frames
The frame determines ergonomics and handling characteristics.
FCUs
In modular platforms like the Sig P320, the FCU serves as the serialized core.
Why OEM Parts Matter
- Better fitment
- Improved reliability
- Consistent performance
Platform Options
Build Strategy
Start with a complete slide and match it with a compatible frame and supporting components.
Final Thoughts
OEM parts provide the foundation for reliable handgun builds.
Start your build today with TCM Stock.
