It's well known in the competitive shooting world, where competitors calibrate their rifles from benchrests that minimize the effect of the human operators. ht

It's well known in the competitive shooting world, where competitors calibrate their rifles from benchrests that minimize the effect of the human operators. https://www.theboxotruth.com/educational-zone-98-shooting-a-rifle-from-a-benchrest/ https://www.theboxotruth.com/educational-zone-98-shooting-a-...