- The uband rizer v2 hop up is a rebrand hopup on the alloy rizer r1 v2 hop up.
- Made on alloy for greater strength.
- Will increase accuracy and distance of your gel blaster. - Adjustable via grub screw. - Fit with 9.5mm size inner barrel .
- Outer size of the hopup is 16mm so make sure the inner diameter of your outer barrel is larger than that . - To reach the best performance,you need insert this hopup into the barrel 10mm roughly .
