Colt 1911 self-loading pistol .45″ ACP
| 01. Original name | Colt Automatic Pistol Cal.45 Army Model | |
| 02. Other official names | US Pistol Automatic.45 Mod1911 | |
| 03. Popular names | Colt 1911 Colt .45 Auto | |
| 04. Chamberings | .45 Automatic Colt Pistol. Rimless Case. Round Nose full metal Jacket bullet | |
| 05. Designed by | John Browning/Colt refined from an earlier 1910 Model Browning .45 Auto | |
| 06. Design date | 1911 | |
| 07. In service date(s) | Issued from early 1912 to present in many areas of the world and civilian use | |
| 08. Adopted by | US. And following WW1 many other countries and organisations both Military and Civil. Many made under Licence in the home countries | |
| 09. Production quantities | In the US by the end of WW2 said to be 2.7 Million. During WW1 over 700,000 being produced | |
| 10. Mechanism | Single Action Semiautomatic Blowback Pistol. Both Grip and Frame mounted safety. 7 Round magazine. Fixed sights 9”Long | |
| 11. Weight | 1100gm/ 2lb 6ozs with empty Magazine | |
| 12. Mountings | ||
| 13. Practicality in action | A rugged powerful and accurate Pistol with easily changed Magazine. Firing a 15gm/ 230gr jacketed bullet @250m/Sec 800ft sec. | |
| 14. Comments / Other information | During WW1 the UK ordered 1911 Goverment models from Colt in a different calibre of .455 Auto differing in having a semi rimmed case slightly longer, a jacketed bullet of different profile with slightly less power. This round as used in the 1913 Webly Auto pistol and exclusive to those 2 pistols both with Limited production. The design later being adapted to many other calibres used until the present day. |