NOTES FROM LUKE:
The Blasterparts Nerf XD Modulus IonFire Spring provides a 7kg spring that improves range and velocity by 30-40%
FEATURES:
-Compatible with Nerf XD Modulus Ionfire Blaster
SPECS:
-Equivalent mass of spring: 7kg
-Firing range increase: About 40%
-Muzzle velocity increase: About 30%
-Difficulty level of spring installation: Moderate