| SOCIMI AR-831 | |
| Origin: | Italy |
| Type: | Assault rifle |
| Is Ranged: | YES |
| Design Date: | 1985–1987 |
| Manufacturer: | Societa Costruzioni Industriali Milano, Luigi Franchi S.p.A. |
| Variants: | AR-831 AR-871 |
| Cartridge: | 5.56×45mm NATO |
| Caliber: | 5.56mm |
| Action: | Gas-operated |
| Feed: | 30-round detachable STANAG magazine |
| Sights: | Iron sights |
The SOCIMI AR-831 is an assault rifle of Italian origin based on the AR-15. The weapon is gas operated and is chambered in the 5.56×45mm NATO round.[1]