Crossbow Expertise
Due to your advanced training with the crossbow, you gain the following benefits.
• If you are proficient with a crossbow, you ignore its loading property.
• You do not have disadvantage on ranged attack rolls from being within 5 feet of a hostile creature.
• When you attack with a one-handed weapon using the Attack action, you can use a bonus action to attack with a hand crossbow wielded in your off-hand.
Source