there is none
Simple you just select the rapid fire accesorise from the list
Yes, confirmed for Windows 7 64 bit
Compensate for recoil. If you want to get headshots, aim for the neck. If you want fire many shots in rapid succsession aim for the lower torso or all of you shots will go over his head.
Scream Aim Fire was created in 2007.
No, the only quick scope mods I've heard of deal specifically with the controller. When activated the game will aim for the correct amount of time and shoot if you press the fire button.
You don't need any specific controller. You use the computer keyboard. WASD to move, F to reload/interact with items. Right mouse button to aim, left mouse button to fire.
Base of the fire
Base of the fire
Aim at the base of the fire and use a sweeping motion
very, especially if you have the Bling pro perk and rapid fire. akimbo weapons are good for close range, but restrict the aim down sight ability.
Assuming you mean a missile lock on some kind of aircraft, then just aim in to you sights with the missile and when you hear more rapid beeping, then you can fire.
The default Aim Down Sights button on Xbox 360 and PS3 is the Left Trigger.