I did a little bit of shooting today with my .270 while using a military style shooting sling. The accuracy was great but the group was about 2" low at 100 yards. The rifle is pressure bedded at the tip of the forend because this particular rifle shoots far better this way than free floated. Is it fairly certain that the rifle was shooting low because it isn't free floated and that a free floated rifle with a stiffer stock wouldn't show the same tendency? Or, is this the effect of the sling holding the rifle from moving up under recoil?