ShieldOr, three closets Gules in chief a bear passant Sable.
CrestThat for the regiments and separate battalions of the U.S. Army Reserve: On a wreath of the colors Or and Gules, 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.
MottoNUNQUAM NON PARATUS (Never Unprepared).
ShieldThe shield is yellow for Cavalry. The three red bars represent the three Artillery units which constituted the 308th Cavalry during World War I; the black bear is taken from the seal of the State of California, where the Regiment was originally organized.
CrestThe crest is that of the United States Army Reserve.
The coat of arms was approved on 9 July 1925. It was rescinded on 17 February 1959.