PDI is a Japanese brand specialising in high-end parts for airsoft replicas. Having been on the market for several years already, the firm's reputation is well established!
This complete kit will allow you to upgrade your VSR10 type sniper replica and thus improve its performance, solidity and reliability.
It consists of a cylinder with an anti-corrosion treatment, a cylinder head, a 45° piston and a spring guide for a 13mm spring.