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The .45 ACP (Automatic Colt Pistol), also known as .45 Auto, .45 Automatic, or 11.43×23mm is a rimless straight-walled handgun cartridge designed by John Moses Browning in 1904, for use in his prototype Colt semi-automatic pistol. After successful military trials, it was adopted as the standard chambering for Colt's M1911 pistol. The round was developed…
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| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| .45 ACP | Base diameter | .476 in (12.1 mm) | 1.00 | infobox |
| .45 ACP | Bullet diameter | .452 in (11.5 mm) | 1.00 | infobox |
| .45 ACP | Bullet mass/type | Bullet mass/type Velocity Energy 230 gr (15 g) FMJ, Winchester 835 ft/s (255 m/s) 356 ft⋅lbf (483 J) 165 gr (11 g) Hydra-shok, Federal 1,060 ft/s (320 m/s) 412 ft⋅lbf (559 J) 23… | 1.00 | infobox |
| .45 ACP | Case capacity | 25–27.4 gr H2O (1.62–1.78 cm3) | 1.00 | infobox |
| .45 ACP | Case length | .898 in (22.8 mm) | 1.00 | infobox |
| .45 ACP | Case type | Rimless, straight | 1.00 | infobox |
| .45 ACP | Designed | 1904 | 1.00 | infobox |
| .45 ACP | Designer | John Browning | 1.00 | infobox |
| .45 ACP | Land diameter | .442 in (11.2 mm) | 1.00 | infobox |
| .45 ACP | Maximum pressure (CIP) | 19,000 psi (130 MPa) | 1.00 | infobox |
| .45 ACP | Maximum pressure (SAAMI) | 21,000 psi (140 MPa) | 1.00 | infobox |
| .45 ACP | Neck diameter | .473 in (12.0 mm) | 1.00 | infobox |
| .45 ACP | Overall length | 1.275 in (32.4 mm) | 1.00 | infobox |
| .45 ACP | Place of origin | United States | 1.00 | infobox |
| .45 ACP | Primer type | Large pistol LP (some makers are now using small pistol SP) | 1.00 | infobox |
| .45 ACP | Produced | 1905–present | 1.00 | infobox |
| .45 ACP | Rifling twist | 1 in 16 in (406 mm) | 1.00 | infobox |
| .45 ACP | Rim diameter | .480 in (12.2 mm) | 1.00 | infobox |
| .45 ACP | Rim thickness | .049 in (1.2 mm) | 1.00 | infobox |
| .45 ACP | Type | Pistol | 1.00 | infobox |
| .45 ACP | Variants | .45 ACP +P, .45 Auto Rim, .45 Super, .460 Rowland | 1.00 | infobox |
| .45 ACP | Wars | World War I – present | 1.00 | infobox |
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