I assume your not squaring the lug or the bottom flat of the action on the model 70? I also assume your using a mandrel for both the model 70 and 700 to single point everything?
You would be assuming wrong. Cutting the face of the action and the lug abutments perpendicular to the centerline of the bolt bore, single point cutting the threads opening the major diameter up to 1.062" Ø all in a single operation. I only use a mandrel for machining when I'm qualifying the scope mounting holes and installing an aftermarket bolt release (I prefer the Defensive Edge...) on a R700 action.
