ZH M249 Hop Up The screw side need to

The screw side need to face upward

allowing you to enjoy endless hours of blasting action without worry

The durable construction ensures it can withstand rough outdoor activities without compromising on style

An ambidextrous QD slot allows for both two or one-point sling connections

ZH M249 Hop Up The screw side need toIncrease your firing distance and accuracy with the Zehua M249 Hop Up. The adjustable grab screw allows you to customize the backspin on gel balls, while the compact size and 3D printed PLA material make it a perfect fit for the ZH M249 saw v3 v4 gel ball blaster. Easy to install alongside the original flash hider. Features: increases firing distance and improve accuracy by applying backspin on the gel balls as they leave the barrel. Totally