The ACR is an Assault Rifle. It is a relatively new weapon to the franchise, first featured in Call of Duty: Modern Warfare 2. A variant of the ACR, the ACR 6.8, is also confirmed to appear in Call of Duty: Modern Warfare 3.
 Modern Warfare 2
The ACR is highly accurate and can be found in the campaign, multiplayer, and special ops game modes. It is unlocked at level 48 in multiplayer. It's considered by most players as the best Assault Rifle.
 Primary Attributes
Fire Rate: 6/10