|This article is about a/an weapon in Kamen Rider Kabuto.|
The ZECT Kunaigun (ゼクトクナイガン Zekuto Kunai Gan) is a variation of the Kabuto Kunaigun used by Kamen Rider Dark Kabuto, Kamen Rider Hercus, and Kamen Rider Ketaros. Its difference from the Kabuto Kunaigun is its silver color in place of the Kabuto Kunaigun's red.
- Dark Kabuto: All 3 modes
- Hercus: Gun and Ax Mode
- Ketaros: Kunai Mode