There are usually several on ebay. Search- Remington 16601
https://www.ebay.com/itm/Remington-Metal-Butt-Plate-16601-4-1-55-x-5-Screw-Holes-3-O-C/163831709937?hash=item26252180f1:g:crMAAOSwYNRci96R
My Gunville stock came out real nice. Wood grain was tight, not porous. I did an M40 barrel not the Rem Varmint, so it took a bit more work than I had wanted. It is a beautiful piece of wood now (after about 20 coats of BLO).