NOTES FROM LUKE:
The Blasterparts Nerf Strongarm Spring allows you to upgrade your Strongarm, or Strongarm XD Blaster.
FEATURES:
-Compatible with Nerf Strongarm Blaster & Strongarm XD Blaster
SPECS:-Equivalent mass of spring: 6kg
-Firing range increase: About 30%
-Muzzle velocity increase: About 50%
-Difficulty level of spring installation: Moderate