Upgrade set for Ares Amoeba Striker

Upgrade set for Ares Amoeba Striker spring action rifle. The package contains the basic parts to increase the performance. Hybrid Piston:

Fully lightweight aluminum body (lighter than upgrade piston from Ares)
Two polyacetal (POM) rings with lubricating groove for good slip in the cylinder.
Stainless steel piston catch.
Rubber front pad. The impacts of the piston are so quieter and the impact is spread over a larger area.
Back pressure head improove sealing due to six air channels.

Spring guide:

Made of stainless steel on CNC machines
Equipped with a ball bearing to reduce spring tension when compressed.  

Spring:

Tempered steel spring – M100
Chemically blackened against corrosion