Fire Support

PDI Precision Cylinder SET HD VSR-10

High Durability Cylinder is the Precision Cylinder Set HD If you want higher power,we recommend this Cylinder.

Included：
Precision Cylinder
Taper Cylinder Head+
HD-Piston(No.631251)
SP-Guide(No.631428)
※Please use with fat diameter spring as SPR,SS,VSR series.

※If use this piston to extreme power spring as PDI SS,SPR & over 2J setting,it's possible to be shorter life, because these sprigns gives extreme power over and more wear. 

PDI recommend using JP standard CAPBOLT.
M4 x 12mm (S3)
We sell it on other page (http://www.x-fire.org/etop/screw.html) code 640659
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.

Made of DURARUMIN

Suitable for Tokyo Marui VSR-10

PDI Web site details 

 Precision cylinder set HD