If this one pic doesn't
show you that the gun had a loosing battle with a buffer at some point in it's life, then I wouldn't know how else to explian it.
Yes it could be brought back to factory condition.
It's one of those that you could measure the difference in some specs betw an orig and this one when you were done.
Turnbull has always been cold toward DA revolver restoration work as it just doesn't generate any profit from their standpoint.
Not when I worked there in the prior century,,not now.
Just always been his 'business model'. I think one of his daughters runs the biz now. FWIW.
SAA's and 1911's are a quick polish project. DA revolvers are not. They are difficult to get correct. As are some other firearms.
I ended up doing a swiss cheesed Mannlicher Schoenauer for a customer after he went to DT and got turned away with the words: We are a Cadillac restoration shop,,we don't work on Chevys.
Oh well everyone has their own way of doing things.
I'd leave the TL as-is for now other than a good cleaning inside and any repair needed to mechanicly put it into shooting shape.
Use it, enjoy it.
You can always decide later if the bug bites you and you want to get it 'restored'.
Most don't always do this stuff for profit cause most times it's a loosing bet anyway.
Kind of like buying a boat.