RA-TECH - SAT Variable Velocity Device Piston
Super Shooter - Double O-ring Aluminum Bearing Piston Head (Blue) for AEG - PT0019
BattleAxe - Polycarbonate Piston 15 Half Teeth (For 32:1 Gearset)
SHS - 1 Steel Teeth Piston for airsoft AEGs - Green - TT0045
SHS - Full Teeth (15 Steel Teeth) Piston - Purple- TT0036
KWA - Aluminum piston head Assembly for all AEGs