- Fits in the Nerf Strongarm, Disruptor and Flipfury
- 6kg spring for higher firepower
- Plunger padding included
Blasters & Shells
The Worker Spring Upgrade Kit for the Nerf Strongarm, Disruptor and Flipfury is a good way to make your blaster shoot a bit harder. Included are a 6 kg spring and plunger padding.