For Jinming gen8, gen13, jinming scar v2, jinming mp5, ump45, blg m16 and xm316 gel blaster gun. Can install the original metal cap, Compatible with 19mm diameter hole cap
- Simple but effective.
- It comes with the mounting grub screw and adjustment grub screw as well as the required hex key.
- Increase distance and accuracy A LOT!
- Forces the balls to backspin. Also can Control left a right swing by rotating it.
