Reduction of diametervat the muzzle end of a barrel of shotgun is called

Choking Reduction of diameter at the muzzle end of the barrel of a shotgun is called choking Choking reduces the dispersion of pellets and holds the pellets together for a longer distance Choke- bore means diameter of the barrel is reduced at the muzzle end. Ref: FORENSIC MEDICINE AND TOXICOLOGY Dr PC IGNATIUS THIRD EDITION PAGE 137