You gain the following features:
You learn the following maneuvers according to your fighter level.
You gain expertise with one ranged or thrown weapon of your choice.
When you take the Attack action with a ranged or thrown weapon, the attack roll ignores resistance to piercing damage or treats immunity to piercing damage as resistance.
When you take the Attack action with a ranged or thrown weapon, you can take the Aim (Accuracy) action as part of the same action.
When you take the Attack action with a ranged or thrown weapon, you can take the Aim (Farshot) action as part of the same action.
When you take the Attack action with a ranged or thrown weapon, you can take the Aim (Precision) action as part of the same action.
When you take the Attack action with a ranged or thrown weapon, you can take an action to grant the target vulnerability to piercing damage, regardless if it has resistance or immunity to piercing damage.