Blaster Mod 6KG Spring Upgrade for NERF N Series TOPBREAKER Toy Front Barrel and the tail cover can

and the tail cover can be replaced with a Worker tail stock connector

6 x 3D printing module (manufactured Bull appearance)

Model: ML Front Barrel

This darts is power darts with Ring desgin to reduced friction and improve shooting range and perforance

Worker Mod Picatinny Top and Side Combo 4 items For NERF STRYFE Toy

Blaster Mod 6KG Spring Upgrade for NERF N Series TOPBREAKER Toy Front Barrel and the tail cover canDESCRIPTION 1. Upgrade Spring design for Blasters. It can improve shooting range and perforance. 2. This Upgrade Spring is only for Blaster toy,All parts are separate,and the product included small parts, you need to install and assemble your blaster,Please be careful installing the parts to avoid damage to your Blaster! 3. In order to ensure safety, please wear goggles when you use and modify the blaster. 4. Suitable for people over 14 years old,