Their first double-action in this caliber was the Model 90, introduced in late 1968 and produced through early 1982. Writes Wilson, “The medium-frame Model 90 was the first Beretta automatic pistol with a double-action trigger system, barrel of stainless steel, enclosed slide with ejection port on the right side, and the magazine release located by the rear of the trigger guard. The frame was of aluminum alloy; the hammer was exposed; the slide remained opened after the last shot was fired. Although the pistol did not prove a success, the future of the double-action system was assured.” (2)
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