My Coues Deer rifle is a 300 Wby Vanguard with a 4-12x40 scope.
The bullets I use are 168gr Barnes TSX bullets.
I got rid of the tupperware stock, restocked it in a custom maple burl stock and fiberglass bedded it.
Also added a Simms Barrel Deresonator which tightened the groups some.

It a bit of overkill for little deer but it works for the longer shots.