PDI-Japan's Ported Precision Cylinder SET VC For VSR-10 is also available to order from X-Fire. This system allows for BBs to fly at further ranges and with the piston revised early this year. Interested resellers can contact X-Fire for bulk orders and shipping.

"Ported Precision Cylinder SET VC for VSR includes:

• Ported Precision Cylinder for VSR
• Taper Cylinder Head
• VC Piston
• Spring Guide for VC Piston

*attach bore-diameter Spring.
*If you use this piston with extreme power spring as PDI SS,SPR & over 2J setting,it’s possible to be shorter life. Because those springs gives extreme power over Toy. It’s up to your operation & maintenance.

• PDI recommends using JP standard CAPBOLT.
• M4 x 12mm (S3)
• We sell it on other page
• TM original screw is a little smaller than standard.
• So if you loose the screw carefully when detach the cylinder & cylinder cap,it’ll use again.But roughly,your screw is no available to PDI cylinder.

*Our piston design was changed in January 2021 due to an revision:

• Piston head design changed
• Piston body design changed
• There is no difference in the materials used.
• Although there hes been design changes, it has been confirmed by tests that the FPS is the same as the previous design.