DK Adjustable Hop Up For Jinming J9 Gen9 M4A1 Gel Ball Blaster

Compatible For: JinMing J9 Gen9 M4A1
Color: Black
Material: ABS

Features:
- This product is adjustable friction top spin, suitable for Jinming J9 Gen9 M4A1.
- Please be careful when you screw the screws to prevent damage from topspin.
- ABS plastic, which is turned into solid printing, is far better than PLA in temperature resistance. There is no need to worry about hot deformation in summer.
- The water bullet bubble must be wiped dry on a towel , otherwise the water on the surface of the bullet will weaken the upper spin friction effect, resulting in sliding bullet.

Package included:
1 x Hop Up
1 x Wrench
2 x Screws