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1.
A fictional assault rifle that Call of Duty adopted from an airsoft gun model. The REAL model is the AKS-74U. However, this is STILL not the AK74u. Some CoD players believe it is a SMG, however, it is not. Qualities that define an SMG: a fully automatic carbine that shoots handgun cartridges. Since the 74u shoots an assault rifle round, it is not really a sub machine gun, despite what Call of Duty/airsofters may say.

Oh yeah, its also really fucking homosexual.
Random faggot: "DUDE THE AK74U IS MAH FAVORITE SMG IN REAL LIFE"

Me: *facepalm*
by TheAK74uIsGay January 02, 2011
100 49
 
2.
A Carbine version of the AK-74made in Russia for tank and helicopter crews and special forces. Fires the same 5.45x39mm ammo, similar to the case with the M4 Carbine and the M-16
In one video made by Osama Bin Laden an AK-74u is visible in the background.
by Burkus December 28, 2008
30 30
 
3.
The gun that will destroy Black Ops just like the UMP45 did to MW2. This gun and the UMP45 are like brothers, their both overpowered, SMGs, Silencer gives more range. Better enjoy Black Ops while you can cause once these guys find this gun, the nightmare begins!
Noob1 *Level Up!* What is this piece of metal?
Noob2 What do you mean?
Noob1 It's called the ak74u?
Noob2 SWEET you wanna use it?
Noob1 YEAA.
Game starts
Noob1 Enemy spoted *ak74u instant kills*
Noob1 SWEET this is my favorite gun!
by PackThatPunch December 15, 2010
47 73
 
4.
A gun used in the game Call of Duty: Black ops for Xbox 360, Playstation 3, or Wii. Most people that use this gun is a try hard that tries to win. This gun is similar to the UMP-45 in Modern Warfare 2, the MP40 in World at War. THESE GUNS ARE OVER POWERED!
Person 1: That try hard is useing the ak74u, I hate him!

Person 2: He is a AK74 Whore.

Person 1: Your right!
by Xx_NiNO_xX November 28, 2010
31 72