Bracing is a Fallout Tactics and J.E. Sawyer's Fallout Role-Playing Game perk.
You have learned how to brace large weapons while standing. You will receive +2 ST for the purpose of firing large guns from a standing position.
J.E. Sawyer's Fallout Role-Playing GameEdit
You know how to handle weapons as big as you with ease. You can move with a heavy weapon in hand and participate in the action phase in the same round.