Marksman

You know your firearms inside and out, and are a master at handling them. You gain the following benefits:

• Increase your Dexterity score by 1, to a maximum
  of 20.
• Weapons with the Barrel (S) property count as
  weapons with the Barrel (F) property for you.
• You can ignore the Barrel property of weapons
  with the Barrel (F) property.
• Being within 5 feet of a hostile creature doesn’t
  impose disadvantage on your ranged attack rolls.