Rocket Airsoft - High Strength Polycarbonate Piston /w Steel Teeth for AEG (15 Teeth)
Performance: Super high speed, Light
Body material: POM
Teeth material: Steel, CNC machinning
Description: This piston is used for higher rate of fire. It works better with 12:1 and 13:1 gear sets. There are 4 holes on the sides and 2 in the bottom. They are there to cut down weight of the piston, increasing overall speed.