I have a really nice maruzen mp5k gbb it has a garder nozzle I also have the stock nozzle to go with it and it will come with 4 cans of 134a gas don't have a mag but gun runs great it shoots 33 rps awesome gun will trade HPA engine takes priority bit will look at what you have thanks....... update I just ordered a new mag lastnight it should be here by the end of the week