Hello, I am looking for a mainspring (not recoil spring) for the Mauser WTP vest pocket pistol, 1st version. The spring has three functions, the trigger, the magazine catch, and I think the ejector.

It has two prongs on top and the bottom is the magazine catch.

I have searched everywhere and this part seems unobtainable but this is for an old Marine friend in his 80's that would like to fix his pistol.

Any help would be greatly appreciated. Thanks!