Warren Dean
Team Savage F-TR
diego-ted said:I have tried to set up as free recoil as possible with as little interaction with the rifle as possible.
^^^^^^^^^^^^ That may very well be your problem.
A snug hold and the butt in the correct place, i.e. the pocket made by the deltoids and the clavicle, will make worlds of difference in consistency. Free recoiling a 308 on a bipod is dicey at best in my experience