Upgrade Adjustable Hop Up for Jinming J9 Gen9 M4A1 Water Gel Ball Blasting Replacement Accessories
Upgrade adjustable hopup dits for Jinming J9 Gen9 M4A1 water gel ball blasting toys.
Compatible For: JinMing J9 Gen9 M4A1
– 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.
1 x Hop Up
1 x Wrench
2 x Screws