Sniper

The only difference between you and an artist is that when two artists compete, both go home afterwards. You don't have that luxury. you're a sniper. you make your shot count, you reload, and then you fire again. 

Sniper

Starting at 3rd level, you are calm and collected in a fight allowing you to aim without flinching. You can use your cunning action to aim, granting yourself advantage on ranged attacks. this negates having disadvantage on attacks while prone.

Additionally you gain the Archery fighting style.

Tools of the trade

When you choose this archetype at 3rd level, you gain proficiency with tinker's tools, firearms and heavy crossbows.

Additionally you can spend ten minutes after a long rest cleaning and repairing a firearm to lower its misfire score to 1. This lasts until end of your next long rest.

Hidden hand

At 9th level, You have advantage on slight of hand checks to hide a palm pistol or hand crossbow. Doing damage with a hidden palm pistol from five feet away always does sneak attack damage regardless of disadvantage or allies in proximity

Snipers nest

At 13th level, you can spend an hour to create a snipers nest to aid yourself in combat. you can make a blind, tower, or fortification. When one of these nests are built you gain one of the following advantages:

• Blind: you attempt to camouflage yourself into the environment. When you are hidden from a creature and inside your blind, which takes up a 10x10 space, and miss or hit it with a ranged weapon attack, making the attack doesn't reveal your position. downside: cannot be done in cities or buildings
• tower: you place yourself in a vantage point to detect enemies. while in your tower, you gain a +10 to your passive perception. additionally you have advantage on wisdom (perception) checks requiring sight. Downside: requires a stable height of 20ft or higher
• Fortification: you create a barricade to block enemy attack. While in your fortification, which takes up a 10x10 space, you gain a +5 bonus to your Armor Class. It takes an action to leave or enter the fortification.

Once a sniper nest is made, it remains until it is destroyed.

One shot, One kill.

Starting at 17th level, you can strike with deadly Accuracy. When you roll 10 higher than an opponents Armor Class then instead of rolling you do max damage with your sneak attack. does not stack with a critical hit. Once you use this you cannot use it again until a short or long rest.