100% identical to the SHS 14 steel half tooth piston. The body is made from a high density nylon (plastic) fiber, the CNC machined piston rack has been thermally treating and coated with a black oxide. These pistons are used in high FPS setups together with HT gears (32:1) This version has had some of the nylon removed to reduce overall weight. Please note colour may vary. This version is sepecifically for TM Next Gen / Recoil AEG's.
Rocket Airsoft are an airsoft parts resellers based in Hong Kong. The parts they sell are identical to those sold by SHS (same factory) but 20 - 30% cheaper.