Depending on if you order fluting or blackening that stretches things out. Most tend to the short side of 8-10 weeks. These are basically custom barrels as none are turned prior to order. I haven't had a custom turned barrel ever handed to me in under six months over the years. I talked with JP last week and he said things were running well so the backlog is pretty low. Better to not claim four weeks and take eight vs. claiming ten and doing it in six. The good thing is you will get a barrel and know exactly where it came from.
The best firearm for self defense? Any loaded one will do.