Live in Sundance, WY but have many friends and family near RC. I'm sure collectively those who have responded can get you the answers you are seeking. I might even have insight to a home for sale if that helps.
I had a similar issue with a 700 Classic from the 80's. I took everything apart and reviewed the functionality and never found anything that was broken or worn. Eventually, I found that I had to pull down or "Force set" the release into the locked position. I did actually clean those pieces and...
I have scratched an itch and now have other wants and needs. Looking to sell a Gen 1 Contender with "Super 14" 7-30 Waters Barrel. As the picture shows it wears a BSA Edge 2-7 scope and will come with a soft case, dies, and brass (maybe willing to send more brass and bullets if the buyer is...
If you are still looking for CB-specific info, check out https://www.rightchannelradios.com/ and give Pat (owner) a call. He can answer all of your questions and steer you in the right direction.