Hyper Rush-40 Pump-Action Blaster Upgrade Spring Hand cutting ensures heat and

Hand cutting ensures heat and flat cutting edge

size can be changed too

This Thompson gel blaster is true to the original and comes complete with foregrip

Crystal gel balls are easy to make

Ammo type: 7-8mm gel ball

Hyper Rush-40 Pump-Action Blaster Upgrade Spring Hand cutting ensures heat andEnhance your blaster's performance with the Hyper Rush 40 Pump Action Nerf Blaster Upgrade Spring. Made of durable piano steel, this 13kg spring will give your blaster a powerful boost. Upgrade your game with this top notch spring. Specifications: Material: piano steel Type: 13kg Package includes: 1x Hyper Rush 40 nerf blaster spring upgrade mod with o rings