ZCI Full Teeth Piston
— Nylon Fiber construction with reinforced metal teeth — For Airsoft Electric AEG Rifle Ver. 2 / 3 Gearbox
— Full Teeth Version
— Colour may Vary
M4 MARUI SRE piston with carbon fiber reinforced technopolymer body and with all metal teeth (PM05CF) Weight: 15.40 grams 100% MADE IN ITALY 100% COMPATIBLE MARUI