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You are here: Home / Language / What Does the Expression “Lock and Load” Mean and Where Did the Line Come From?

What Does the Expression “Lock and Load” Mean and Where Did the Line Come From?

May 27, 2020 by Karen Hill

The expression “lock and load” comes from American G.I.s during the Second World War and refers to loading the MI rifle for imminent combat.

The phrase means to insert a full ammunition clip into the rifle, then lock the bolt forward, forcing a round into the chamber ready to fire.

The original order was “load and lock,” but after John Wayne reversed the order to “lock and load” in the movie The Sands of Iwo Jima, the expression stuck.

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Filed Under: Language

About Karen Hill

Karen Hill is a freelance writer, editor, and columnist. Born in New York, her work has appeared in the Examiner, Yahoo News, Buzzfeed, among others.

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