[Quesadilla Joe]

From the same link

What’s more, “In Black Ops II, there are no perks that modify a gun,” says Vonderhaar. Slight of Hand, for instance, is no more, but there’s a Perk called Fast Hands which lets you swap weapons faster, and a weapon attachment called Fast Mag that handles faster reloads – and it’s specific to only that weapon. This should minimize the weapon-balancing nightmares that often frustrate fans and designers alike; an overpowered weapon can be tweaked and tuned as its own entity without worrying about how larger systems affect it.