There are a large varity of fire arms for a large varity of applications.

Hand Guns

http://world.guns.ru/handguns/semiauto.jpg

   Small firearms that are compact and easy to handle. Often used for self defense, big game hunting, and police forces.

Sub-machine Guns

   
http://world.guns.ru/smg/hk_mp5k.jpg

    Small compact firearms, High rate of fire, used by police and special forces.

Assault Rifles/Machine guns

http://world.guns.ru/machine/m60e4.jpg
http://world.guns.ru/assault/hk_g36c.jpg

    Weaopons used by military forces for there high accuracy, range, rate of fire, and stopping power.

Sniper/Hunting Rilfes

http://world.guns.ru/sniper/gol-sniper_m1.jpg

    Firearms that have pinpoint accuacy, used by hunters, police, and military forces.

Anti-Tank Rifles

http://world.guns.ru/atr/atr_boys1.jpg

    Weapons that fire Heavy bullets at a high velocity, used for anti-material tasks.

http://world.guns.ru/atr/atr_target.jpg

    The above diagram shows the points the anti-tank gunner aimed for, any would affectivly disable a tank on the battlefield

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http://world.guns.ru/atr/atr_boys1.jpgass