pump-action
adjective /ˈpʌmp ækʃn/
  /ˈpʌmp ækʃn/
[only before noun]- (of a gun or other device) worked by quickly pulling or pressing part of it in and out or up and down- a pump-action shotgun
- a pump-action spray
 Oxford Collocations DictionaryPump-action is used with these nouns:- shotgun