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I did a lot of searching for parts and noticed a slight difference on some valves compared to mine. luck would have it i found a CQB valve on https://www.thingiverse.com/thing:4364423. Got it 3D printed and it seems to have solved the issue 1.3 joules down to around 0.9 the original part is the black one 20201211_151603.jpg.pdf

Thanks for the advise so far, i can buy another floating valve so that s always an option. But the cybergun PT92 is just a rebrand and ive seen them rated at 340 Fps. Does anyone know what the system is on that and why its 60-70 FPS lower.

I need help lowering the FPS on a KWC PT92, I've seen the same gun ranging from 300-400 FPS, mine fires on the high end. What regulates the FPS so I can just buy that part or can anyone tell me how to modify it and drop the FPS. I've seen many videos and pictures on modifying the valve but non seem to match the nozzle set up mine has. There are no springs/screws or pins in the nozzle, below is how it breaks down. Any help would be greatly appreciated.