
The Cross Armory CRGOKRB 3 Piece Upgrade Kit is designed for Polymer80 P80 Gen1–Gen3 builds and provides a Rainbow-finished upgrade to the platform. It’s intended to be an easy way to refresh key components while keeping the fit and function aligned with P80 Gen1–Gen3 compatibility.
Key features
- 3-piece upgrade kit for Polymer80 P80 Gen1–Gen3 frames
- Rainbow anodized appearance for a durable, multicolor finish
- Factory-focused fitment for P80 Gen1–Gen3 compatibility
Upgrade your P80 Gen1–Gen3 build with the Cross Armory CRGOKRB Rainbow 3-piece kit for a clean, updated look and matched platform fit.



