O ring sizes

[msurf]

Has anyone made a list of o ring sizes for rebuilding a 909 or Dragon Claw?  I am getting ready to tear down a few rifles and would like to have spares on hand for r & r.  I will compliie a list if not, but I know measuring used rings can get a bit tricky.  Thanks!

[Rattus58]

Has anyone made a list of o ring sizes for rebuilding a 909 or Dragon Claw?  I am getting ready to tear down a few rifles and would like to have spares on hand for r & r.  I will compliie a list if not, but I know measuring used rings can get a bit tricky.  Thanks!

That's probably a good idea to have that on hand...

[Nev]

Has anyone made a list of o ring sizes for rebuilding a 909 or Dragon Claw?  I am getting ready to tear down a few rifles and would like to have spares on hand for r & r.  I will compliie a list if not, but I know measuring used rings can get a bit tricky.  Thanks!

Also the material they are made of is quite important, I have a Logun S16 which I was advised to always use "Viton" seals !