K25 Spring for Knockout Blaster - High Powered K 25 Coil Spring Mod For Nerf Rival Knockout XX-100 Blaster! - Toy Gun Part

SPRING ONLY! (Blaster Not Included)

Newly Cut K25 Spring with Ground Down Smooth Rounded Ends.

This is a tested and verified Rival Knockout Upgrade.

*This blaster can be a little tricky. Some modding skills are required.

For use: In replacement in the Knockout Blaster

K25 Modded Knockout Chrono Test: 116.9 FPS Ave

Knockout Stock spring Chrono Test: 87.9 FPS Ave

This mod will make your blaster more powerful. Use at your own risk.