New extreme speed MIM steel MADE IN ITALY gear set available ultra speed configuration for best trigger response (1 shot each 13 roundd of bevel gear) CNC processed construction and finishes for max strenght and long last smooth and safe allignment thanks to the lightening process in the non contact gear parts custom bevel gear with 6 anti rotation links to enhance the single shot mode Hi speed best match uses with FPS steel type piston and hi power motor suitable for ver.2/ver.3 MARUI, G&G, G&P, KA etc....electric gun models