Most of us don't consciously plan on doing house clearing, but some interior layouts will simply force you to retrieve your family members from non adjacent rooms.
This is how the bearded one shoulders the shotgun (or a rifle, for that matter), squarely on the pec muscle:
Chris and ex Magpul buddy Travis Haley, both with similar technique:
And this is how Chris (and Travis) teach you to grip a handgun:
