![Amazon.com: 3DToys 4.5KG Modification Upgrade Spring for Nerf N-Strike Jolt Blaster Toy : Toys & Games Amazon.com: 3DToys 4.5KG Modification Upgrade Spring for Nerf N-Strike Jolt Blaster Toy : Toys & Games](https://m.media-amazon.com/images/I/61VfFgq-MKL.jpg)
Amazon.com: 3DToys 4.5KG Modification Upgrade Spring for Nerf N-Strike Jolt Blaster Toy : Toys & Games
![My ongoing Sting ballistic knife mod. Copper tubing barrel, jolt plunger head, 7kg cut-down retaliator spring, soon to feature a Mega dart based blade. Pretty excited to try it out ! : My ongoing Sting ballistic knife mod. Copper tubing barrel, jolt plunger head, 7kg cut-down retaliator spring, soon to feature a Mega dart based blade. Pretty excited to try it out ! :](https://i.redd.it/3jeq3ll5jc251.jpg)
My ongoing Sting ballistic knife mod. Copper tubing barrel, jolt plunger head, 7kg cut-down retaliator spring, soon to feature a Mega dart based blade. Pretty excited to try it out ! :
![Amazon.com: WORKER Modification Upgrade Spring and Spring Set for Nerf N-Strike Elite (5kg Triad EX-3 Spring) : Toys & Games Amazon.com: WORKER Modification Upgrade Spring and Spring Set for Nerf N-Strike Elite (5kg Triad EX-3 Spring) : Toys & Games](https://m.media-amazon.com/images/I/61a0Czm1bZL.jpg)