Oh yea, I've done a little work on mine. I have installed: Volquartsen extended mag release and automatic bolt release. Power Custom Titanium extended bolt operating handle, Clark Custom deluxe Hammer and Trigger kit and Nikon ProStaff 3-9X40 Scope. I have also glass bedded the action and full length bedded the barrel channel with Brownell's Acra Glass.
I don't think 1" groups at 65 yards are bad at all with box stock rifle.