dex
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- Feb 3, 2014
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- 163
Its a moving diagram of a typical (vers 2) AEG gearbox. The only important bits missing is the magazine, which is fed using a long spring in a mid cap or a wound spring in a hi cap and the hop up, which is the part that adds back spin to the BB as it gets shot up the barrel. Its this backspin that gives the BB its range (due to Bernoulli's principle if you want to get really geeky).