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In Call of Duty 4 each gun could only have one perk on at a time.
What else can I help you with?
Can you use all weapons in call of duty 4 in single player?
yes but not all attachments :)
Can you use two attachments profiency with the hybrid sight on call of duty modern warfare 3?
I don't see why not.
Can you use attachments with gold guns in Call of Duty Modern Warfare?
As far as I know, yes. You can. There technically the same as normal guns. In a certain way.
How do you use Call of Duty elite?
you need to buy call of duty mw3 and you need to register for call of duty elite
What is the difference between Call of Duty and Call of Duty Reflex?
Call of Duty is Call of Duty for the PC, Mac, Xbox360, Nintendo DS, and PS3. Call of Duty Reflex is the Wii version, in which you use the wii zapper.
Can you use headphones on Call of Duty Black Ops?
Yes you can use headphones in Call of Duty: Black Ops
How do you get multipule attachments on call of duty black ops guns?
You need the perk Warlord. It allows you to use 2 attachments. No underbarel attachments though. I was about to say the same thing. Warlord pro also gives you two grenades (except smoke grenades). It is best you pair up with Scavenger/Scavenger pro with Warlord pro to get nearly infinite ammunition.
What disk do you use in call of duty 2 PC?
hmmm mabye the call of duty 2 disk
How many gigabytes per hour does playing Call of duty use?
A few MB at most
Can you use a knife in Call of Duty 3?
no
How do you put two or more attachment on a gun in call of duty modern warfare 2?
Here's a link to the Call of Duty: Modern Warfare 2 Wikipedia. Read carefully and click links to learn about all weapons and attachments. http://callofduty.wikia.com/wiki/List_of_Weapons_and_Attachments_in_Modern_Warfare_2
Can you use a joypad for 'Call Of Duty 5' on PC?
No....
