PBB had the action in stock when I bought it. The page for the actions says buying a barrel at the same time gets free expedited service. I can't find anywhere on their website that says what the expedited timeline actually is.I've not heard of anyone ordering action and prefit. Given the actions are still on backorder, expediting sounds like a fiction. Plan to wait 12 weeks. My Preferred Barrel was close to that. Be pleasantly surprised if it arrives sooner. No point in calling or emailing - you won't find anything out about date. When your barrel goes into production, you'll get an email. It will arrive about 2 weeks after.
Good to know they'll email me when the barrel is getting made at least. I won't bother them with a call yet, its only been three weeks. I'm sure it'll come soon enough.