The term was coined by firearms author Robert Shimek, and became popular in American firearm-related magazines during the 1980s and 1990s by those advocating their use by police forces. At the time most American police departments were still using revolvers, chambered in cartridges such as .38 Special and .357 Magnum.
The simplicity of being able to fire the first shot just by pulling the trigger, a feature of double-action revolvers, and a higher ammunition capacity are the "wonderful" features of a wonder-nine.
Examples include the Heckler & Koch VP70 (1970), Glock (1982), Smith & Wesson Model 59 (1971), Beretta 92 and CZ-75 (both 1975), Steyr GB (late 1970s/1981), SIG Sauer P226 (1984), and Walther P88 (1988).
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