Skip to Main Page Content
US Army USMC
TAS Logo
PM TAS
Skip Navigation LinksHome : Products : M777A2 Howitzer

M777A2 (LW155) 155mm Howitzer

Deployable, mobile, lethal, and survivable

M777

General Information

  • Joint, ACAT II, USMC/Army Program
  • Direct support, general support, reinforcing, or general support reinforcing artillery system replacing the M198 155mm Medium Towed Howitzer
  • Fielded with an integrated Digital Fire Control System (DFCS) that enables the M777A2 to emplace and displace faster and fire more accurately
  • Compatible with fielded and projected U.S. 155mm munitions, Excalibur, Family of Medium Tactical Vehicles (FMTV), Medium Tactical Vehicle Replacement (MTVR), and 5-ton trucks

Strategically Transported

  • Towed by the USMC MTVR and Army FMTV and M939 Series trucks
  • Loaded and secured aboard C-141 aircraft or naval amphibious shipping and landing such as LCM-8
  • Two M777A2 Howitzers are transportable in a single C-130 aircraft
  • Externally slung below medium lift helicopters to include CH-47D, CH-53D, CH-53E and the MV-22

Specs

  • Weight: <10,000 lbs
  • Maximum Elevation: +1275 mils
  • Minimum Elevation: -43 mils
  • Traversing Range: 800 mils, (400 mils left and 400 mils right of center)
  • Rates of Fire:
    • Maximum: 4 rounds per minute for 2 minutes
    • Sustained: 2 rounds per minute
  • Maximum Safe Towing Speeds:
    • 45 MPH on Improved Roads
    • 35 MPH on Secondary Roads
    • 15 MPH Cross Country

FMS/International Partners

  • Australia
  • Canada
  • India

History

  • M777 – base howitzer with Optical Fire Control sighting system
  • M777A1 – Digital Fire Control upgrades with the addition of an on-board computer, power source, satellite Global Positioning System, inertial navigation, radio, Gunner’s Display and Chief of Section Display (CSD)
  • M777A2 – Block 1A software upgrade. Addition of an Enhanced Portable Inductive Artillery Fuze Setter (EPIAFS) to enable Excalibur and precision munition compatibility
  • M777ER - Experimental upgrade created by the Extended Range Cannon Artillery (ERCA) project (concept only)

 Additional Resources

For Additional resources and product downloads, please click the link below.

CAC Login Required.

Additional Resources

Technical Support

For technical support, please contact us.

| Contact Us

iSalute

If you have information that may be of interest to U.S. Army Counterintelligence, please submit an iSALUTE Suspicious Activity Report.

Submit Report

You may also report by telephone:

[CONUS]
1-800-CALL-SPY
(1-800-225-5779)

[EUROPE]
+49 (0) 611 143 537 2176
DSN 314-537-2176

[KOREA]
0505-723-3299
DSN 723-3299