Skout .25 Skout Epoch

[Aunsell]

It’s a standard BunaN 90 duro size 009 oring. Or you could use a Viton 90 duro. The PU factory oring tends to take a “set”.

Did you end up using buna or Vitton?
I’ve heard vitton swells under high pressure… which could be a good thing or a bad thing

 

[Centercut]

Did you end up using buna or Vitton?
I’ve heard vitton swells under high pressure… which could be a good thing or a bad thing

I used BunaN 90 duro. I can’t speak to your conjecture just that it improved my HP reg performance.