Soldiers from the 3rd Infantry Division this month became the first combat troops to receive the Army's new M110A1 Squad Designated Marksman Rifle.
Army weapons officials fielded the new semi-automatic 7.62x51mm SDMR to soldiers from the 1st Armored Brigade Combat Team at Fort Stewart, Georgia in early June, according to a service announcement.
https://www.yahoo.com/news/first-army-unit-gets-squad-205600950.html