PRODUCT DESCRIPTION:
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
