Alloy design for stability and accuracy. This hopup will greatly increase accuracy and distance of your 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 .
Milkly gels are best for it .