ballistics 2

• term referring to the mechanism of a firearm

  Action
• Cylindrical passage through which the bullet travels

  Bore
• bore diameter measure between two opposite lands

  caliber
• part of the weapon where the cartridge are placed into position for firing

  chamber
• degree of constriction applied in the muzzle of the shotgun to decrease

  choke
• mechanism in a firearm which causes the cartridge case or shell to be thrown out from the gun

  Ejector
• mechanism in a firearm by which the cartridge or shell is withdrawn from the chamber

  extractor
• forward end of the barrel throuh which the bullet comes or exits from

  muzzle
• amount of gunpowder in a load

  powder charge
• straight imaginary distance between the muzzle and the target

  range
• equal and opposite reaction of the gun against the forward movement of the bullet after explosion

  recoil
• the bouncing off or deflection of a bullet from its original trajectory

  ricochet
• object at which the weapon is aimed

  target
• actual curbed path taken by a bullet during its flight from the gun muzzle to the target

  trajectory
• rate of speed of the bullet per second

  velocity