Upgraded spring for Nexus Pro and Stryker. Increases priming strength needed. Recommended for use with the upgraded metal internals kit. Includes main spring only.
Blasters should be modified at your own risk by an adult or with adult supervision. Modification of blasters may increase wear and reduce lifespan of blaster. Always wear eye protection. Never point at someone’s face. By purchasing, you agree that FoamBlast is not responsible for injury or damage caused by misuse or accidental usage.