Jennifer;
Check with this guy about a forend iron - Might be a longshot, but he has came through for us before on hard to find parts.
Trader's Den
Cook Minnesota
55723
218 666 5083
Wish you the best on getting the old gun all dolled up for your Dad, and hope that after you do, he will be able to hunt and shoot long enough to wear it down again.
Good Luck;
Bill