Shield
Gules the liberty bell Or between five arrows four point down in fess paleways and one in base fessways the latter broken Sable fimbriated Argent. On a chief embattled Vert fimbriated Argent a five-pointed mullet of the last (for the 12th Corps, Civil War).
Crest
On a wreath of the colors Or and Gules, on a mount an oak tree fructed of 13 acorns and penetrated transversely in the main stem by a frame saw Proper, the frame Or (For Alexander Hamilton).
Motto
FAITHFUL AND TRUE.
Shield
The shield is scarlet for Artillery. The Liberty Bell alludes to the Revolutionary War. The five arrows commemorate the Indian War campaign credit of old Company "F", 4th Artillery. The broken arrow is indicative of the engagement near Vincennes, Indiana, 4 November 1791, in which all officers and two-thirds of the men of Bradford's Company, Battalion of Artillery, were killed. The embattled partition line refers to the ramparts of Chapultapec and denotes service during the Mexican War. The star, the insignia of the 12th Corps in which batteries of the Regiment served, is representative of the Civil War.
Crest
The crest is that of the Hamilton family (Alexander Hamilton being a former commander of one of the elements of the regiment).
The coat of arms was originally approved for the 5th Field Artillery Regiment on 4 June 1924. It was redesignated for the 5th Field Artillery Battalion on 13 September 1944. The insignia was cancelled on 19 April 1960. It was reinstated and authorized for the 5th Field Artillery Regiment effective 1 September 1971.