I have a winchester model 50 12ga.I believe the gun was producted from 1954-61the stock has a piece missing from it,I would like to replace the stock.or fix it if I could make it look like the rest of the stock,the piece missing is about a 1/2in. deep and 2in. long and a half in wide,I also need a new butt plate for the stock,any help would sure be appreciated thanks.........Ted