Ruger's 9mm PC carbine features a 16-inch barrel and an interchangeable magazine well, allowing it to take any 9mm magazine. (Photos by Hope Hodge Seck/Military.com) Ruger's 9mm PC carbine features a ...

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GLOCK pistols permit almost unrestricted compatibility of the magazines within a caliber. Standard magazines, for instance, can also be used for backup weapons. GLOCK magazines have a stiff metal tube ...

I’m not sure when the first 9mm carbine was assembled, but not long after the cartridge debuted in the Luger pistol, people recognized the benefits of running the cartridge through a shoulder-fired ...