So i saw a gun on Guntrader in a shop at what i think was a decent price 
I asked if it was new and was told it was.....
When i looked at the pictures i asked for it said 30 moa and a serial number starting with 22 which when i looked said from 2023 onwards especially with the 30 moa rail.
The gun was empty with both gauges saying 0
So filled it to 100 bar and let the bottle cool as it was warm then to 200 bar and then 250 bar over the course of 30 mins
When i looked at the Gauges i saw this...... Top gauge is REG pressure

So i thought stuck Reg from being stored after tapping the gauge and the needle moving
I with my Yorkshire intellect decided to dry fire it and after about 20 shots the needle started to drop and after another 5 was as below and it has stayed there

Here is the chrono result straight after

So do i ask the shop to swap it although i knew in the pictures it was "new old stock" or do i ask for the reg to be serviced?
It does now seem to be running fine
Cheers folks

I asked if it was new and was told it was.....
When i looked at the pictures i asked for it said 30 moa and a serial number starting with 22 which when i looked said from 2023 onwards especially with the 30 moa rail.
The gun was empty with both gauges saying 0
So filled it to 100 bar and let the bottle cool as it was warm then to 200 bar and then 250 bar over the course of 30 mins
When i looked at the Gauges i saw this...... Top gauge is REG pressure

So i thought stuck Reg from being stored after tapping the gauge and the needle moving
I with my Yorkshire intellect decided to dry fire it and after about 20 shots the needle started to drop and after another 5 was as below and it has stayed there

Here is the chrono result straight after

So do i ask the shop to swap it although i knew in the pictures it was "new old stock" or do i ask for the reg to be serviced?
It does now seem to be running fine
Cheers folks