TDC HOP-UP pressure adjustment.

7075 aluminum alloy CNC process one piece HOP-UP chamber.

HOP-UP bucking warp-around design, makes a better seal.

C Clip with screw design make inner barrel more fixed and center.

HOP-UP adjustment by hand or 2mm allen key design.

Damping prevents reverse design, and tightening the screw can fix the wheel.

Inner barrel (HOP-UP chamber) horizontal adjustment screw design.

Fixed screw design can be fixed whole chamber with the frame.

Compatible with Tokyo Marui Hi-Capa 4.3 /5.1 / Gold Match /1911 GBB series