List of Handguns in MW3
Always be yourself, unless you can be James Bond, then always be James Bond. Here's the full list of Handguns available in Call of Duty: Modern Warfare 3. Further down on the list you'll find all the weapons that carried over from COD: MW2 to COD: MW3.
New Handguns in COD: MW3
Carry-Over Handguns from COD: MW2