Here’s a way to meet half way. Firing line increases stability/handling, and reload speed when surrounded by two more fire team members/players in addition to its bonus increase in precision damage. Box breathing just gives that flat bonus to precision damage as long as it’s scoped in. People get choices in either firing line or box breathing for dps/general usage. Though they would need to buff the precision modifier for box breathing to have leverage since firing line is an immediate buff and box breathing requires time to proc.