When a shotshell is fired from a shotgun, the pellets leave the barrel and begin to spread, called the shot string. To control the shot string, shotgun barrels have a choke. The types of chokes are cylinder, improved cylinder, modified, and full. ...
Shotguns Built-in or attached to the muzzle end of the barrel, the choke is a constriction that controls the shot string. The most common chokes are Full, Modified, Improved Cylinder, and Cylinder (unchoked). A choke allows you to fine-tune your shotgun for the type of game you’re hu...