yup you can buy a modified pad's with stuff like this attached to it
Rapid Fire – If you play a lot of FPS PS4 games then you might want to think about getting a controller which has rapid fire options built-in. Most of these types of controllers come with an adjustable programmable mode as well as an akimbo mode feature. Changing from one mode to another is as simple as pressing a button, it’s really that simple.
Drop Shot – Are you a Call of Duty fan? If you are then getting a controller with a drop shot mod is a really good idea if you want to avoid your opponent’s shots. This mod lets you go drop to the ground really quickly so that you can focus on shooting back on your opponent.
Quick Scope – Once again, the quick scope mod is perfect for COD snipers. Instead of zooming in with one button and then shooting with another, you can simply press one button which zooms and shoots at the exact same time. You’ll ask yourself how you ever played as a sniper before without it when you try out this mod on your PS4 controller!
Jitter – Another popular mod on our PS4 controllers is the jitter mod which allows you to turn any 3 burst weapon in to an automatic to boost your firepower. This mod doesn’t work for a few games such as MW3 and Ghosts though, so make sure you check before buying.
Turbo Melee – Hate waiting ages before being allowed to knife attack someone one after another? Then why not add the turbo melee mod to your custom PS4 controller so that you don’t have to wait as long a...
Half of those are aimed at CoD though- on Battlefield the quick scope function is useless as you need to compensate for projectile drop, the melee system doesn't outright kill an opponent unless it's a stealth takedown, and drop shot is useless because the animation takes a while to get the gun back up. These modded pads are clearly aimed at fast paced arcade style FPS games i.e. CoD, the most popular of which