ES Custom Works Ares Striker AS01/AS02 Zero Friction Piston
"Zero friction" technology to significantly reduce friction and increase performance
Body in plastic material to avoid wearing out the original cylinder and carbon steel tail to be super resistant and long-lasting
Compatibility GUARANTEED on AS01 and AS02
Equipped with bearing spring guide!
Thanks to this kit it will be possible to increase the output power more by 30% without changing the spring