SMENT 8.5KG Spring For Hammershot Nerf Zombie Strike Blaster Power Boost! Aftermarket Mod Sweet Revenge Compatible - Toy Gun Part

- Easy to Install Aftermarket Mod

- 8.5Kg Smooth Prime / Smooth Firing Spring Upgrade

* Spring only (Blaster Not Included)

- Created, Tested, & Verified Spring for the Hammershot Blaster!

- Resistance Scale puts this spring at just over 8kg!

- Spring wire gauge is 1.8mm in diameter!