Photos would definitely help.
You either have a milled or a stamped group (or cast, or a special stamped group out of an AK magazine SKS).
Milled:
Stamped:
That will at least get us close to seeing what you've got.
I personally wouldn't force match what you've got. If anything you could get top dollar for it from someone restoring a bubba that doesn't want a mismatched trigger group.
By the way, welcome to the boards!