Improve your Nerf Rival performance with the Pathfinder XXII-1200 Blaster Upgrade Spring mod. Compatible with the Pathfinder and Fate models, this upgrade spring increases the blaster output by 125+ FPS. It is an easy installation.

Specifications:

Material: steel
Compatible model: nerf rival pathfinder
Type: 11.5kg or 13kg
Package includes: nerf patherfinder xxii-1200 spring mod