Quote Originally Posted by GoatBoy View Post
If you ever have to send your gun in to AGD or Tuna or something and they find Buna o-rings in there, all of us are probably going to be very annoyed with you.

I'll be interested to see how long they last. Though, the 90D Buna o-rings aren't even as common as the 70D that you see floating around and being used in a ton of other markers. I'd bet most of the aftermarket o-ring kits simply come with 70D's - even the ones that have been sized up and labeled for Automags.