Prometheus hi speed cycle wide use gear set for electric gun (13:1)

New set of super hi speed polished steel gears available (1 shot each 13 turn of bevel gear)
100% MADE IN JAPAN and mede with the superior knowlendge of the famous custom house...
the construction technology is made to match and perform with almost all the electric guns in the market
the full quality has been tested by shooting 30000bbs during develop and right before market release
the steel bevel gear is made with 10 reversal teeth to improve the single shot release
shim set with various sizes and instructions paper are included