When i seen this i had to have it and i got it for x-mas :) couse the stock feeder jams like crazy maybe its just my gun i donno but thares not much to say it doesn't use that much air a little maybe like 15 shots out of a tank and be smart and get the T-FITTING with it if ur geting the RT work good with the RT thats about it the price isn't to good tho $80 and if you get it its not that all hi tech its simple but it dose work very good.