you get it as so as you get to level 4
Yes. The M16A2 and M16A4 have the same delta ring and handguard cap, therefore the railed handguard from an M16A4 should fit on the A2.
Yes, the M16A4 assault rifle is a real thing. it is in active service with the United States armed forces.
cod4 for sure
google and look for cod4 1.7 updater
m16a4
of course it is
No.
5.56mm. Same as the M16A4.
It was invented by the usmc in 2000 to be a replacement for the m16a2
There's no revolver in CoD4. I presume you ask this because you've played WaW & have unlocked the Magnum. CoD4's version of the Magnum is a Desert Eagle.
The maximum effective range of the M16A4 assault rifle for hitting a point target is 550 meters (600 yards).
I don't think so. All I can find is how to get a second aimer on cod4 wii.