Beretta 1915 self-loading pistol 9 mmG
| 01. Original name | Pistola Brevetto 1915 calibro 9mm | |
| 02. Other official names | Beretta 1915, Beretta Modello 1915, Pistola Automatica Mod. 915 calibro 9 | |
| 03. Popular names | Beretta Model 1915, Beretta M1915, Beretta M15 | |
| 04. Chamberings | 9×19 Glisenti | |
| 05. Designed by | Tullio Marengoni | |
| 06. Design date | 29 June 1915 (patent) | |
| 07. In service date(s) | 1915 – 1922, when it was superseded by the much modified Modello 1915/19 | |
| 08. Adopted by | The Italian Royal Army. Also used by Italian Police forces. A 7.65mm variant was used by the Italian Navy | |
| 09. Production quantities | 15,300 (9mm variant only) | |
| 10. Mechanism | A straight blow-back semi-automatic with a concealed hammer. Fitted with two safeties. The detachable magazine, released by a heel catch on the butt, holds seven rounds | |
| 11. Weight | 850g empty | |
| 12. Mountings | ||
| 13. Practicality in action | Compact and reliable. Simple to strip down for cleaning, with a captive recoil spring. Unsafe if loaded in error with 9x19mm Parabellum ammunition. The correct 9×19 Glisenti ammunition was easily identifiable by its 124grain truncated-cone jacketed bullet | |
| 14. Comments / Other information | This was the first self-loading pistol manufactured by Beretta. Some remained in service until the mid 1930s. Few, if any, were made for commercial sale |