Description: Hop-up upgrade print fit for Jinming Gen8 M4A1 7-8mm replacement accessories.
Specification: Color: Black Compatible For: For JinMing Gen8/ SCAR V2
Features: - This product is adjustable friction top spin, suitable for JinMing Gen8 /SCAR V2. - The recommended size of the water bullet is 7.0-7.4 mm. The two screws can be used to fix the upper spin at the muzzle. - Please be careful when you screw the screws to prevent damage from topspin. - 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. - 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.
Package Included: 1 x Hop Up 1 x Wrench 2 x Screws