Tuning Trying to find a check valve for Seneca Eagle Claw .22, striking out with PA

I bought a refurb Seneca Eagle Claw and within a few weeks it started leaking. Took it apart and the screw was missing from the check valve, I fixed it and it's working but I'd like a replacement. Pyramyd Air sent me a Sumatra check valve, which when you look at the part on their website it's correct, but it's not that part it's totally different. PA sux for trying to get a person on the line. I love the gun and want to keep it I just want a new check valve so does anyone know where I could buy one? I call Air Venturi direct and their phone system put me through to PA tech dept where I'd have to sit on hold again.


 
I don't have a eagle claw so I'm not sure if it is a Foster fitting like my Sumatra or a probe but I figured when I couldn't get the check valve to seal anymore I'd just replace the Foster fitting with a one way foster.

Yes it does have a foster fitting and that's a great solution? So something like this below? Man if this works what a simple solution. I was at the point that if I couldn't get parts I was going to send it back



https://www.amazon.com/Outdoor-Guy-Connection-Foster-Stainless/dp/B07D51SPZX/ref=sr_1_1_sspa?keywords=foster%2Bfitting&qid=1652528668&sr=8-1-spons&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUFSRFU0SDNLQ0wyT1cmZW5jcnlwdGVkSWQ9QTA2MTA0MjBBS1NISllDRDJJNlkmZW5jcnlwdGVkQWRJZD1BMDEyMTc3NDVESDVISERJUzhHViZ3aWRnZXROYW1lPXNwX2F0ZiZhY3Rpb249Y2xpY2tSZWRpcmVjdCZkb05vdExvZ0NsaWNrPXRydWU&th=1