double action

weaponry

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development of pistols

  • semiautomatic pistol
    In small arm: Revolvers

    …ejection of spent cartridges and double-action cocking. By linking the trigger to the hammer-cocking and cylinder-revolving mechanisms, double action permitted a pistol to be fired with a simple pull of the trigger. This mechanism was first introduced on a cap-and-ball revolver, the English Beaumont-Adams of 1855, but it was quickly…

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