ShieldOr, a dragon passant Vert with tongue and tail barbed Gules, on a chief wavy of the like three fleurs-de-lis of the first.
CrestThat for the regiments and separate battalions of the South Carolina Army National Guard: On a wreath of the colors Or and Gules (Yellow and Red) upon a mount Vert a palmetto tree Proper charged with a crescent Argent.
ShieldThe red of the chief and the wavy partition line allude to the unit's origin as Coast Artillery. Campaign participation credits earned by elements of the regiment are shown by the gold fleurs-de-lis, denoting campaigns in World War I in France, and the dragon, representing World War II campaigns in Europe and Africa in which elements of the regiment participated; the barbs on tongue and tail of the dragon, symbolic of arrowheads, signify assault landings in Sicily and Southern France, again by certain elements of the regiment.
CrestThe crest is that of the South Carolina Army National Guard.
The coat of arms was approved on 26 October 1970.