M1299

The M1299 is an American 155 mm turreted self-propelled howitzer currently being developed under the Extended Range Cannon Artillery program.

M1299
TypeSelf-propelled gun
Place of originUnited States
Service history
In service2024 (planned)
Specifications
Crew4 (driver, loader, gunner, commander)
Caliber155 mm L/58 XM907 caliber
Traverse360°
Rate of fire3 rpm (10 rpm with autoloader)
Effective firing range70–100 km (43–62 mi)
EngineCummins diesel
600 hp

History

The Extended Range Cannon Artillery (ERCA) program was designed to produce a self-propelled howitzer system with longer range and rate of fire compared to the existing M109A7. Increased range and accuracy is accomplished by having a longer L/58 gun as well as employing the XM1113 rocket-assisted artillery shell. The howitzer is expected to eventually incorporate an autoloader that could increase rate of fire to 10 rounds per minute.[1][2]

Design

Gun

The M1299 utilises a new 155 mm L/58 calibre XM907 gun that will fire the XM1113 rocket-assisted round, which will increase the reach of the gun from the 38 km of the existing M109A7 Paladin gun to over 70 km. An autoloader for the gun will provide a rate of fire of up to 10 rounds per minute.[3][4]

References
  1. "U.S. Army designates new 155mm self-propelled howitzer as M1299 | July 2019 Global Defense Security army news industry | Defense Security global news industry army 2019 | Archive News year". Armyrecognition.com. 2019-07-22. Retrieved 2019-10-27.
  2. "New Army Cannon Doubles Range; Ramjet Ammo May Be Next". Breaking Defense. 2020-03-06. Retrieved 2020-03-25.
  3. "U.S. Army to designate its new self-propelled howitzers as M1299". Defence Blog. 2019-07-22. Retrieved 2020-02-26.
  4. "Analysis: M1299 155mm 58 caliber tracked self-propelled howitzer Extended Range Cannon Artillery". www.armyrecognition.com. Retrieved 2020-02-26.
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