chokebore
/ˈtʃoʊkˌbɔr/
noun
- A shotgun barrel that narrows toward the muzzle to concentrate the shot pattern.
- She cleaned the chokebore carefully to keep the gun in good condition.
- Hunters often choose a chokebore for better accuracy at longer ranges.
- The chokebore on his shotgun helped him hit the clay target.