GIAT M811
| GIAT M811 | |
|---|---|
| Type | Autocannon |
| Place of origin | France |
| Service history | |
| Used by | See operators |
| Production history | |
| Designer | GIAT Industries |
| Manufacturer | Nexter Systems |
| Specifications | |
| Mass | 113 kg (249 lb) |
| Length | 2,640 mm (104 in) |
| Barrel length | 2,160 mm (85 in) |
| Width | 345 mm (13.6 in) |
| Height | 370 mm (15 in) |
| Shell | NATO 25×137mm |
| Caliber | 25 mm |
| Action | Externally powered, electric drive |
| Rate of fire | Low: 125 rds/min High: 400 rds/min |
| Muzzle velocity | 1,360 m/s (4,500 ft/s) |
| Effective firing range | 1,500 m (4,900 ft) APFSDS |
| Feed system | Dual Feed |
The M811 is an automatic, externally powered, single- or dual-fed autocannon firing NATO standard 25mm ammunition, designed by Nexter Systems (previously GIAT Industries).