Sniper

You have practiced with a firearm your whole life and thus your aim is deadly and true. The following benefits are the fruit of your labors.
Double the range of all firearms. All your two-handed firearms can hold triple the ammo.
For every 20 feet beyond 20 you are from your target add 1d4 to the damage up to 4d4.
If you hidden from your target and have not entered initiative you may make a called shot against a creature Large size or smaller.
Pick head, chest or limb.
Head: -4 to hit, +5 to damage and the target is Blinded for 1 round.
Chest: -3 to hit and the target is Incapacitated for 1 round.
Limb: -3 to hit and the target is knocked Prone.