Quote:
Originally Posted by Ichkabible
Yes the bb falls in the path of the nozzle. The nozzle hits the bb but does not push it past the bucking lip.
I can't really tell if the nozzle goes completely to the bucking but it does fit in the hop fully. I will test this further at a later date as I suspect the nozzle is to short, not to long as was mentioned above. If you look down the top of the hop straight on you cannot see the bucking. If you look the same way at the stock one, it is slightly protruding. So the bucking is deeper in the prowin.
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take the gearbox out of the gun
cycle the gearbox or reset the gears until the nozzle in full forward position
align the gearbox with the body and push it in slowly. observe the nozzle through the hopup feed tube. When you push the gearbox all the way in, the nozzle should not stop and go all the way into the hopup chamber.
To test if the nozzle is properly sealing to the bucking, partially block the barrel and put a piece of tissue paper over the feeding hole. Cycle the gun in semi. If partially/mostly blocking the airflow from the barrel and the tissue shoots off with some force, the nozzle is not sealing to the bucking. So either the hopup unit is longer than the original or it's holding the barrel assembly farther away than stock.
Why would you want to change hopup units anyways? If there is nothing wrong with the one you have, there's no reason to change it. The whole misconception people have is that metal is better. no, not necessarily.
CAs should have come with a metal unit anyways unless it was a sportline, then I'm not sure what unit those things come with, but I've only ever seen a metal unit on a ca.