I am just starting to work with my new Phantom. I use a small portable rifle rest and a rolled up towel to put under the rifle. This seems to get me the better groups so far. I did try the art. hold, and it seemed to open up the groups. So, I am resting the forstock on the towel in the rest. I barely touch the gun with my left hand (I am right handed). I put the butt lightly into my shoulder. Right hand lightly reaches around the grip area behind the trigger guard. I try to pull straight back on the trigger. I try to let the air rifle move as it recoils. I then follow through, as in maintain the hold looking through the scope.
What about when your out hunting? Seems like the artillery hold is only good for bench shooters.