Hatsan Hatsan Velox not holding air

I received my Velox today, first thing I notice, the deposit that comes with has bad mecanization and treads excentric, so it's difficult to put and extract, but it should work anyway... (the other is fine)

Well... try to fill it with handpump, thing lose aire like crazy, retract the bolt, try again... same result. Maybe it's because there is no air at all and I must pump faster, but no...

I connect it to pcp compresor, change to the other deposit and it lose air to the point that the indicator never leaves the 0 and its very audible the hissing on the connection between the deposit and the gun's plenum.

Examining the thing, I think it should be a O-ring or something on the end treads of the deposits, but there is nothing, is like if the aire just pass trough the treads to outside without even moving the deposit valve.

I e-mailed for a return + refund, pistol is defective.

Just for curiosity, there is O-rings inside the deposit treads of your Velox guns? by design, either the treads of mine are loosen or something caused by the misalignment of one of the deposits, or there is O-ring missings in both deposits.
 
So you're trying to fill this gun cocked, correct?

Nup.

Unfamiliar with an airgun part called "deposit." Amazon ad shows Hatsan Velox with factory installed male foster fitting, does your Velox use a fill probe instead? WM

Mine got the male foster too, the air escapes from the treads of the DEPOSIT, also known as air tank.
 
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