You have a problem that needs the attention of a gunsmith. Browning's web site can point you in the right direction.
Give it a thorough cleaning.
You need to see a gunsmith.
From Browning's website - "allowing the shooter to retain shells in the magazine and eject a shell from the chamber without feeding from the magazine."
Certainly. Or, you can use a competent independent gunsmith - sounds like an easy fix. www.countrygunsmith.net
Try a thorough cleaning. If it still does it, send it back to Browning with a complete detailed description of all issues.
12 gauge
First make sure that your shotgun can cycle 2 3/4 inch shells. To do this, read the barrel, if it say 2 9/16 shells then that is your problem. Early 16ga. Browning's were made to cycle 2 9/16 inch shells. Next, check your ring setup inside of your stock, it may not be set properly.
Yes
Ammo, parts, dirty
You need to see a gunsmith
yes the butt stocks are the same the barrels are also the same the only difference ison the 58 you need to have two holes drilled into the barrel. the holes allow the pressure to eject the shells.
It might need cleaning. It might need new springs/parts. You may need to switch brands of ammunition. You need to take it to a gunsmith for evaluation.