I previously said "You may well be mounting the gun out on your deltoid (shoulder) muscle (rather than on your pectoralis/chest) in order to auto-correct the short stock which acts like a severe cast-off making it harder to get your eye looking down the rib and causes the gun to recoil more into your face."
THAT IS INCORRECT for a right handed shooter.
If one mounts a gun with no cast laterally on the shoulder or (even worse) the biceps, it's as if the gun has CAST ON (moving the brls laterally also.)
A gun with severe CAST OFF (butt moved away from the face) might indeed recoil more into the face, especially with a SxS and with the right brl.
That's all the hard thinking I'm up to for the long weekend :rolleyes: