double action

adj, noun — 2 senses

double action

adj

1

Engineering, Firearms, Government, Military, Natural sciences, Physical sciences, Politics, Tools, War, Weaponry Of revolvers Requiring only a trigger pull to both cock and fire.

double action

noun

1

Engineering, Firearms, Government, Military, Natural sciences, Physical sciences, Politics, Tools, War, Weaponry A trigger mechanism requiring a single pull to both cock and fire.

Some prefer a double action because it seems more foolproof in the heat of the moment when someone might not be thinking calmly.

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.