I would have tried the lightest bullet you could get in a factory load first, then replace the stock, and then the trigger. Older rifles don't have the twist for heavy bullets.
Keep us posted please.
Thank you for letting us know what happened. Hopefully by sharing, it might keep someone else from having the same experience. Sorry about your gun. Glad you didn't get hurt.
Like I said I have seen it 2x. I still have the parts in a box in my office from one of them to show people and for firearms training for kids in firearms safety.
This year a guy brought in a bolt action .270 that his friend accidentally loaded a 30-30 cartridge in and fired it at a deer...