M777 58-caliber  
Initial Operational Capability (IOC): 2023
Total Production: ?
Origin: United States of America
Corporations: BAE Systems
Parent System: M777
Initial Operational Capability (IOC): 2005
Total Production: 1,240
Total Cost: USD$910 million
Family Members: M777A2
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Description: The XM777 Joint Lightweight 155mm 39 calibers (LW155) howitzer has been designed to replace current M198 towed howitzers. The US Army will use the XM777 for general support purposes within light forces, while the USMC will use this weapon for direct support replacing all existing cannon types within the Corps. The XM777 incorporates innovate designs to achieve the lightweight goal, without sacrificing the range, stability, accuracy or durability of the planned system. It will provide excellent tactical mobility, deployment capability and survivability. Excalibur 155mm artillery projectiles will provide extended range and improved accuracy.

The US Army M777 58-caliber is a new variant of the M777A2 39-caliber lightweight towed howitzer intended to provide longer ranges firing 155mm artillery projectiles. The longer barrel howitzer will allow the projectiles increased speeds close to the hypersonic range. The new M777 variant is expected to fire the new XM113 projectile to achieve a maximum range in excess of 40 kilometers. The 58-caliber artillery gun was under development as of March 2018 with an estimated initial operational capability planned in the 2020s.

M777 58-caliber Specifications

Caliber Multiple: 58
Dimensions
Main Gun Caliber: 155 millimeter
Performance
Main Gun Max Range: 40,000 meter (24.9 mile)
Rates
Max Rate of Fire: 5 roundperminute
Sustained Rate of Fire: 2 roundperminute
Time
SetUp Time: 3 minute (0.05 hour)
CEP: Circular Error Probable
Meters (m)   Kilometers (km)   Nautic Miles (nm)   Inch (in)   Yard (yd)   Foot (ft)   Millimeter (mm)
Pound (lb)   Kilogram (kg)   kN (KiloNewton)   Ton (t)
Meters per Second (mps)   Kilometers per Hour (kph)   Knot (kt)   Miles per Hour (mph)
Liter (l)   Galon (gl)
Year (yr)   Minutes (min)   Second (sec)
Shaft-Horse-Power (shp)

M777 58-caliber News

There is 1 news
on 20 Mar 2018
Tuesday, March 20, 2018US Army Developing Hypersonic Artillery Systems

Operators & Related Equipment


OperatorsItems

Grand Total ?1
Defensive Weapons
M982 Excalibur
XM113
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