SIG (Schweizerische Industrie Gesellschaft) · Battle-Rifle · Out Of Production · 1957
| Weight (empty) | 5700 g (201.1 oz) |
| Overall Length | 1100 mm (43.31") |
| Barrel Length | 583 mm (22.95") |
| Magazine Capacity | 24 rounds |
| Action Type | Roller Delayed Blowback |
| Firing Mechanism | Hammer Fired |
| Muzzle Velocity | 750 m/s (2461 fps) |
| Muzzle Energy | 3178 J (2344 ft·lbf) |
| Effective Range | 600 m (656 yd) |
| Frame Material | Steel |
Primary Caliber: 7.5x55mm Swiss
The SIG 510, adopted by the Swiss Army as the Sturmgewehr 57 (Stgw 57), is a Cold War-era select-fire battle rifle developed by Schweizerische Industrie Gesellschaft at Neuhausen am Rheinfall. Introduced in 1957 to replace the aging Karabiner 31 straight-pull bolt-action rifle, the Stgw 57 served as the primary service rifle of the Swiss Armed Forces for over three decades until its gradual replacement by the 5.56mm SIG SG 550 beginning in 1990. The rifle operates on a roller-delayed blowback me...
Country of Origin: Switzerland
Designer: SIG Neuhausen engineering team