Shield
Azure, on a fess paly of six pierces Or and Sable between four fleurs-de-lis, three in chief and one in base, of the second a bend counterchanged.
Crest
That for the regiments and separate battalions of the Army Reserve: On a wreath of the colors Or and Azure, the Lexington Minute Man Proper. The statue of the Minute Man, Captain John Parker (H.H. Kitson, sculptor), stands on the Common in Lexington, Massachusetts.
Motto
VOLENS ET POTENS (Willing and Able).
Shield
The blue shield is indicative of the Infantry. The gold and black fess is from Lord Baltimore's arms which are the arms of Maryland, to which the Regiment is allocated; and the four fleurs-de-lis recall the Somme, Meuse-Argonne, Picardy, and Lorraine service in France in World War I.
Crest
The crest is that of the United States Army Reserve.
The coat of arms was originally approved for the 319th Infantry Regiment on 10 January 1925. It was amended to correct the wording of the blazonry on 22 November 1929. The insignia was redesignated for the 319th Regiment on 17 August 1960.