Gooddaytoya!
40 Cal
Under "lock malfunctioning" someone very kindly posted the name address and phone number of what he said is a very good muzzleloader gunsmith very near to me. I figured great, I should write this down, but I procrastinated thinking it would be there for a couple days. But for everybody's edification, and as a note of caution, I need to say that apparently the moderators removed that post, I assume because it's too much like advertising on this forum. Luckily I remembered the name Rusty's and that it was on highway 49, and I found it online. My bad for not reading the user agreement before I signed into this website. Still, many thanks to the guy who posted the original information. The shop is only 60 miles from me, which for this kind of professional service is worth the travel time.