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![Shooting a Cantaloupe with a .45 ACP](https://img.y8.com/cloud/y8-thumbs/91291/video_thumbnail.jpg)
人类判断
The .45 ACP (11.43×23mm) (Automatic Colt Pistol), also known as the .45 Auto by C.I.P. or 45 Auto by SAAMI, is a cartridge designed by John Browning in 1904, for use in his prototype Colt semi-automatic .45 pistol and eventually the M1911 pistol adopted by the United States Army in 1911.