1.Compatible with Worker Mod Prophecy-R and Nexus Pro Blasters（It needs to be used with the thin rod push rod W0547 of the forecast air pump).
2.It can promote shooting range and dart speed.
3.Prophecy needs no tail hole,make the prediction easier to load.
4.This spring is only for Nerf 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!
5.Blaster not included!
Package Weight: 24g