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Definition of Pump action
1. Noun. Action mechanism in a modern rifle or shotgun; a back and forward motion of a sliding lever ejects the empty shell case and cocks the firearm and loads a new round.
Exact synonyms: Slide Action
Generic synonyms: Action, Action Mechanism
Group relationships: Rifle, Scattergun, Shotgun
Generic synonyms: Action, Action Mechanism
Group relationships: Rifle, Scattergun, Shotgun
Definition of Pump action
1. Noun. a type of firearm action that uses a sliding handgrip to cycle the mechanism. ¹
¹ Source: wiktionary.com