The G&G Special Nylon Nano Co-alloy Piston is made from brand new technology that make it very light and very strong. Nylon Nano Co-alloy offers the strength of an aluminum piston but the flexibility and lightweight features of a polycarb; it's the best of both worlds. G&G has some of the best R&D in the industry, which is why they eliminated the second to last tooth on this piston, a known stress relief technique by master technicians. This piston is recommended for use with highly upgraded guns.
- The pistons color varies from the picture, it is now gray.
- The use of aftermarket airsoft parts is not an exact science. Some parts may require fitting even thought they were designed to fit without modification. Professional installation of upgrade parts is highly recommended.