Call of Duty 4: Modern Warfare Authentic weapons include assault rifles with laser sites, claymore mines, .50 caliber sniper rifles, M-249 SAW machine guns and more Engage hostiles from above in a thoroughly modern aerial gunship Rack up experience points to unlock new items and gain perks Create-a-class option that allows you to customize gear for the best chance of success Ride as part of an armada of attack choppers delivering manpower to the battlefield