Hardened: Extra bullet penatration
Lightweight: Run faster
Sleight of hand: Reload faster
Warlord: More than one attachment
Ninja: Move silently
Marathon: Run for an extended amount of time
Scout: Longer hold breath for snipers
Scavenger: Resupply from dead enemys
Hacker: Able to spot enemy explosives and equipment
Hardline: Kill streaks require 1 less kill
Ghost: Undetectable by Spy Plane and Blackbird
Flak Jacket: Extra explosive resistance
Steady aim: Increased hipfire accuracy
Second chance: Pull out pistol before dying
Tactical mask: Reduce the effect of Flash and Concussion grenades
This perk allows you to carry 2 primary weapons with no pistol or secondary weapon.
The Call of Duty Wikia has a section devoted to the Perks for Call of Duty Black Ops available through the related link
yes "overkill"
Overkill is the perk that lets you gave two primary weapons.
well call of duty and modern warfare are the same it is called Call of Duty: Modern warfare and then came call of duty: modern warfare 2
Call of Duty classic Call of Duty 4 Modern Warfare Call of Duty World at War Call of Duty Modern Warfare 2 call of duty black ops call of duty modern warfare 3
Call of Duty Modern Warfare came before Call of Duty Modern Warfare 2
"Call of Duty 6" "MW2" "Modern Warfare"
"Call of Duty 6" "MW2" "Modern Warfare"
Call of duty modern warfare 3
no theres a call of duty modern of warefare 2
Call of Duty 4: Modern Warfare came out first. This is the first game in the Modern Warfare series, and Modern Warfare 3 is the third game in the Modern Warfare series.
Call of Duty 1 Call of Duty The big red one Call of Duty 2 Call of Duty 3 Call of Duty 4 : Modern Warfare Call of Duty : World at War Call of Duty : Modern Warfare 2 Call of Duty : Blackops Call of Duty : Modern Warfare 3 9 Call of Duties all together, 6 if you take out the modern warfares...
Call of Duty 4: Modern Warfare was just before Call of Duty: World At War, and Modern Warfare 2 came just after it. Unless its on the Wii, on the Wii its WaW the Modern Warfare but its called Modern Warfare Reflex