Hop-up upgrade print fit for Jinming Gen8 M4A1 7-8mm replacement accessories.
Compatible For: For JinMing Gen8/ SCAR V2
– 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.
1 x Hop Up
1 x Wrench
2 x Screws