Feature：

➤ 90 degree piston tail for VSR zero trigger.
➤ Compatible with Maple Leaf CNC "Hen Li Hai" Zero Trigger or LAYLAX PSS10 Zero Trigger.
➤ CNC machined 7075 Aluminum alloy with black anodized finish.
➤ 4 pieces weight rings included.
➤ Weight-Adjustable Piston allows an maximized peak pressure, improves efficiency of firing heavier BB's.
➤ Use 2 screwdrivers or other tools to disassemble the piston tail from its body.
➤ Please scan the QR-code card to access the manual and excel sheet.
➤ For better performances, use our excel sheet with airsoft chronograph.
➤ Note："Not For MAGNUM High Volume Cylinder Set".