As a firearms expert with extensive knowledge in ballistics and ammunition, I can tell you that a
7.65 mm, also known as .30 caliber, is a common metric firearm cartridge size. The term "7.65 mm" specifically refers to the diameter of the bullet in millimeters. There are several different types of 7.65 mm cartridges, but one of the most well-known is the
7.65×17mm SR Browning cartridge, which is also known as .32 ACP. This cartridge is used in small, often concealed carry handguns.
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