ShieldOr on a fess Sable three plates between in chief a demi-lion rampant issuant of the second and in base a mullet Gules.
CrestThat for the regiments and separate battalions of the Army Reserve: On a wreath of the colors Or and Sable, 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.
MottoSPECTEMUR AGENDO (Let Us Be Judged By Our Actions).
ShieldThe shield is yellow for Cavalry and across this is the black fess and three plates and the demi-lion of William Penn. The star recalls the organization of the Regiment in Texas and its color the sometime service as Artillery.
CrestThe crest is that of the United States Army Reserve.
The coat of arms was approved on 29 October 1924. It was rescinded on 2 February 1959.