Each officer has been equipped with a default primary and secondary along with a default set of tactical aids. The weapons that your assaulters can be assigned are the MP5, the MP5SD, a M4 or a Benelli 12 gauge shotgun. As an Element Leader the same weapons are available, but you get to choose the M4. The M4 is a less-lethal weapon which lets you know down your suspect rather than kill him. There are two types of ammunition available, referred to as Primary and Secondary.
Primary ammunition is jacketed hollow point for long rifles and pistols.
For shotguns it's 12 gauge 00 buck shot. Secondary ammunition is full metal jacket for long rifles and pistols, and breeching rounds for shotguns. Tactical Aids refer to things like CS Gas, C2 and flash bangs. Mission Mode has been designed to get the player into a mission as quickly and seamlessly as possible. Entering the game in mission mode takes you directly to Metro where the selections of your character, team, weapons and mission are handled by four tabs along the bottom of the screen.