A Marine Corps battery (six weapons) of M777 155mm howitzers was sent to Syria in mid 2017 to help the SDF Kurdish local army as it progressed towards and took the ISIL (Islamic State in Iraq and the Levant) capital of Raqqa. The marines discharged generally M1156 GPS guided shells and did as such at outrageous extents. In doing as such they destroyed the barrels on two of their howitzers. Typically the M777 barrel can start up to 2,500 shells previously destroying yet barrel life relies upon what sort of shell your discharge. In the event that you shoot the more drawn out range shells (which the marines barreled) life is highly decreased (to around a thousand rounds). While the GPS guided shells decreased the requirement for shooting a considerable measure of shells, the Americans likewise noticed that less howitzers were required to give precise big guns bolster and even in Afghanistan some segregated mounted guns units (more often than not a battery or only a segment of two firearms) shot a ton of GPS guided shells and gave convenient and exact discharge frequently at outrageous range.

To manage this issue another to the max chrome-lined barrel was produced. This more costly barrel keeps going around 50 percent longer than current howitzer barrels. The marines were just planned to get around a hundred of the new chrome lined barrels however the Department of Defense is reexamining that on the grounds that the marine M777s most much of the time wind up in circumstances as happened in Syria. The marines were to get their first chrome lined barrels in 2019 however that may happen sooner.

This is the cost of advance. In 2007 the U.S. Armed force and Marine Corps got their first M777A1 lightweight 155mm howitzers. The M777s cost $1.9 million each and the U.S. has purchased around a thousand of them up until this point, for use by the armed force and marines (who got almost 400 of them). The producer, BAE, has likewise gotten an agreement to renovate many M777s that came back from benefit in Afghanistan. This cost $91,000 per howitzer. The British planned howitzer is additionally utilized by Canada and Britain. The armed force utilizes M777s in airborne and Stryker detachments while for the marines all their field big guns is towed. A five ton truck is utilized to tow the firearms, yet an extraordinary, 4.5 ton LWPM (Lightweight Prime Mover) is accessible to do that too.

The M777 is a British outline and, at four tons, is the lightest 155mm towed howitzer at any point handled. A group of five flames consistent rounds to 24 kilometers and RAP (rocket helped shots) rounds to 40 kilometers. M777 Fire control is dealt with by automated framework that permits quicker reaction time and more precise shooting. Clients have discovered the M777 precise and dependable.