The soon-to-release Call of Duty sequel has a brand new approach to weapon upgrades, and the development team wants to tell you about it in this new video.

For many players, the holiday season of gaming is virtually defined by the release of a new Call of Duty game. Whether you count yourself in that crowd or not, there's some new features on the way to multiplayer that might tweak your interest.

The developers at Infinity Ward and Sledgehammer put together this new video that explains the advances. In short, in addition to the existing weapon upgrade system, you'll unlock weapon proficiencies to further customize the way your gun handles.

Call of Duty: Modern Warfare 3 is set to rock the sales charts on November 8.