Pack of 5 (20mm x 1mm) nylon AOE spacers / washers. Not always needed but handy to have if you..
Well machined piston head designed to work with silent cylinder heads. Comes with bearing.
E&C upgraded aluminium piston head. Great quality, works perfectly with ZCI and Rocket cyl..
Latest Airsoft POM piston head from Gearparts. Very strong POM material with an aluminium cent..
Basic Chinese o-ring that seem to be used more and more these days. Used for standard and bore..
Viton o-rings have excellent resistance to high temperatures and a broad range of chemicals (in..
One of the most popular and strongest metal piston heads. The head is perfectly flat and is sec..
Rocket Airsoft CNC machined 8 vent double o-ring piston head. Comes with bearing and a th..
Silent piston head designed to work with silent cylinder heads. This version comes w..
6 vent lightweight piston head made from strong polyoxymethylene. The inner thread on the pist..
Fantastic quality CNC machined aluminium piston with 8 air vents and thrust bearing. Tested with XT,..
Aluminium piston head with 5 large flow air vents CNC machined. Round the top there's a smalle..
Piston head designed to work with concave cylinder heads (mushroom / silent). Comes ..
ZCI second generation high end piston head, CNC machined and made from aluminium. 6 small top vents,..
ZCI high quality piston head. Tested and working perfectly with ZCI or SHS cylinders (28.8..
ZCI high quality piston head with a double o-ring design.
Tested and working perfectly with..