I know they stopped making them in the late 90's and only made like 100,000. I'm guessing there's not many parts for them floating around and judging from my online search my suspicions were confirmed.
I need an extractor, extractor spring and plunger. I did find one site that had all three parts in stock: jackfirstinc.com
Wondering if anyone here has done business with them?

Just ordered parts from them last week for a long out of production Smith & Wesson.
Ordered on Sunday and shipped on Monday.
They are good to go.

PC

Jack First is good to go. I’ve had better luck calling them vs. using their website to find what I need.

Numrich may also be an option depending on what you’re looking for.

Doesn't Para have a P5? Wonder if he's got any input on this?

I have ordered from Jack First. There were no issues.

Just to echo, jackfirst is good to go.

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Thanks guys for the positive feed back on jackfirst. I was just a little nervous ordering from a company I'd never heard of. As usual the sig forum is knowledgeable and came thru with the answer I needed to hear.

Try Earl’s Repair Service/Earl’s Walthers in Tewksbury Massachusetts.

I had two P5s and liked them both, but there was so little service to assist them in the US that I traded them both.

Earl's
https://carlwalther.com/