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