5kg (2x stock) upgrade spring from Orange Mod Works that fits the following Nerf Blaster models:
- Double Dealer
- Alpha Trooper
Disclaimer: Mod at your own risk!
Increasing the spring tension can break or damage the stock internal components of your blaster. By purchasing, you agree not to hold Bloom Technology liable should this occur. In addition, we may not be able to troubleshoot problems due to user error.