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

SMENT 8.5KG Spring For Hammershot Nerf Zombie Strike Blaster Power Boost! Aftermarket Mod Sweet Revenge / Ninja Turtle 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 Hammershot Spring. 

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

- Spring wire gauge is 1.8mm in diameter!