Oh, it was ranked 3rd. But cheaper and not much less effective.
https://www.garagejournal.com/forum/threads/penetrating-oil-tested-and-compared-the-winner-is.200247/
Like 2 weeks. I put a fired case in the chamber. Then would squirt some liquid wrench in there. Trying for twice a day but atleast once every two days.
It was on another forum but it ranked various penetrating oils. Liquid wrench was #2. #1 was a home brew. Don’t remember specifically but I...
Please take me off the list. Was able to source tools locally.
+1 on soaking barrel threads. I used liquid wrench. Also, using tp roll/brown sugar in the barrel vice was an awesome little trick.