The AK-47 is a selective fire, gas operated 7.62mm assualt rifle, first developed in the Soviet Union by Mikhail Kalashnikov. The AK-47 fires the 7.62x39mm cartridge which produces significant wounding (including remote wounding effects known as hydrostatic shock) in cases where the bullets tumbles and fragments in tissues, but which produces relatively minor wounds in cases where the bullets exits beginning to yawn.
Price: 550$.

  The minigun is a 7.62 mm, multi-barrel machine gun with a high rate of fire (up to 6,000 rounds per minute), employing Gatling-style rotating barrels with an external power source. The basic weapon is a 6-barrel, air-cooled, and elctrically driven machine gun. The electric drive rotates the weapon within its housing, with a rotating firing pin assembly and rotatory chamber. The minigun's multibarrel design helps prevent overheating, but also serves other functions.
Price: 120.000$.

  A pistol is a firearm designed to be held and operated by one hand, with the other hand optionally supporting the shooting hand. This gun is a Kimber CDP Custom II, a full-sized model 1911, with a five inch barrel. the frame and slide are made of steel. It has an internal firing pin that is designed to provide additional assurance that the gun will not fire if dropped, as the firing pin is blocked from striking the chambered cartridge unless the grip safety is depresses.
Price: 1030$.

  A machine gun is a fully automatic mounted or portable firearm, usually designed to fire rifle bullets in quick succession from an ammunition belt or large-capacity magazine, typically at a rate of several hundred rounds per minute. It is designed to fire as long as the trigger is held down and ammunition is fed into the weapon. It has maintained suppressive fire almost continuously for hours.
Price: 1780$.

  The machete is a large cleaver-like cutting tool.The blade is 40 centimetres long and 2 millimitres thick.It can be used to cut through rainforests undergrowth and for agricultural purposes but more importantly they are the cause of big damage if used as a weapon of attack.
Price: 100$.