NOTES FROM LUKE:
Increase the velocity and range of either your Nerf Firestrike, or Firestrike XD Blasters. Contains a 6kg spring that requires a moderately difficult mod.
FEATURES:
-Compatible with Nerf Firestrike and Firestrike XD
SPECS:-Equivalent mass of spring: 6kg
-Firing range increase: About 80%
-Muzzle velocity increase: About 100%
-Difficulty level of spring installation: Moderate
