M1299 howitzer
The M1299 is an American prototype 155 mm self-propelled howitzer developed by BAE Systems in 2019 under the Extended Range Cannon Artillery (ERCA) program. It is based on the M109A7 howitzer, and was primarily designed for the purpose of improving the M109's effective range.
| M1299 | |
|---|---|
An Extended Range Cannon Artillery (ERCA) during a test in March 2021, at the U.S. Army Yuma Proving Ground | |
| Type | Self-propelled howitzer |
| Place of origin | United States |
| Service history | |
| In service | 2024–2025 (planned) |
| Production history | |
| Designed | 2019 |
| Manufacturer | BAE Systems |
| Specifications | |
| Crew | 4 (driver, loader, gunner, commander) |
| Traverse | 360° |
| Rate of fire | 3 rpm (10 rpm with autoloader) |
| Effective firing range | 70 km (43 mi) (rocket-assisted round) 110 km (68 mi) (XM1155 round) |
Main armament | 155 mm L/58 XM907 gun |
| Engine | Cummins diesel 600 hp (450 kW) |
| Suspension | torsion bar |
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