1.Compatible with Prophecy-R and Nexus Pro(It needs to be used with the thin rod push rod W0547 of the forecast air pump).
2.Prophecy needs no tail hole,make the prediction easier to load.
3.This spring is only for DIY mod kits toy,All parts are separate,and the product included small parts, you need to install and assemble your toys,Please be careful installing the parts to avoid damage to your toys!
4.It can promote shooting range and dart speed.
5.Suitable for people over 14 years old,because the installation of this product requires some disassembly capacity.