Swift Hawk JY MSR Gel Blaster Adjustable Hop Up It also includes an o-ring

It also includes an o-ring for easy installation

Shooting range: 25-30m

low heat and stable performance for lehui 1031 beretta blaster and other blasters if the size fits

Material: 7075 cnc metal

Swift Hawk JY MSR Gel Blaster Adjustable Hop Up It also includes an o-ringMaximize your shooting distance and accuracy with the Swift Hawk JY MSR Gel Blaster Adjustable Hop Up. Our high quality DK Hop Up applies back spin to gel balls for improved performance. This fully adjustable upgrade is specially designed for the JY MSR gel blaster, made with durable 3D printed PLA material in black. Features: Hop ups increase shooting distance and improve accuracy by applying back spin on the gel balls as they leave the barrel High