ShieldOr, on a chevron Vert between in chief two fleurs-de-lis and in base a powder flask all Azure, a pheon, between a chain shot with five links, the middle chain link encircling the shaft all of the first.
CrestThat for the regiments and separate battalions of the Massachusetts Army National Guard: On a wreath of the colors Or and Vert a dexter arm embowed clothed Blue and ruffed White Proper the hand grasping a broad sword Argent the pommel and hilt Or.
ShieldYellow and green are the colors used for Armor. The mission and characteristics of the organization are represented by the chevron for support; the arrowhead for penetration; and the chain shot for firepower. Service in France during World War I and World War II by elements of the Regiment is represented by the two fleurs-de-lis, while the colonial powder flask denotes the allocation of the 110th Armor to the State of Massachusetts.
CrestThe crest is that of the Massachusetts Army National Guard.
The coat of arms was approved on 15 December 1965. It was amended to change the symbolism on 21 November 1969. The insignia was rescinded effective 1 February 1988.