Airsoft SHS Full Steel Teeth Lightweight Piston Ver 2/3
SHS manufactures a variety of pistons.  From their full steel teeth pistons for your high torque setups to the standard 1 steel tooth piston to the creative lightweight piston for a boost in ROF, you'll find the piston your looking for made by SHS.  All of them utilize nylon instead of polycarbonate for the piston material.  This produces a a tough yet still elastic piston.  For the unlikely event of one of your steel teeth breaking, SHS makes replacement steel teeth for most of their pistons.