Gunner

You have a quick hand and keen eye when employing firearms, granting you the following benefits:

Increase your Dexterity score by 1, to a maximum of 20.

You gain proficiency with firearms (see 'Firearms" in the Dungeon Master's Guide).

You ignore the loading property of firearms.

Being within 5 feet of a hostile creature doesn't impose disadvantage on your ranged attack rollls.