Gules, a chevron between six fleurs-de-lis, four and two, and a field piece on a mount, under muzzle of cannon a pyramid of cannon balls, Or.
That for the regiments and separate battalions of the Rhode Island National Guard: On a wreath of the colors Or and Gules, an anchor paleways Or.
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The shield is red for Artillery. The field piece and cannon balls on a mound are taken from the old Providence Marine Corps Artillery coat buttons, the cannon being changed to face dexter; this device also alludes to the Civil War service at Bunker Hill, Virginia. The gold chevron represents the Cavalry origin of the Second Battalion, while the six fleurs-de-lis represent the service of the 103d Field Artillery during World War I.
The crest is that of the Rhode Island National Guard.
The coat of arms was originally approved for the 103d Field Artillery Regiment on 27 March 1931. It was amended to correct the blazon of the shield on 4 April 1931. It was redesignated for the 103d Field Artillery Battalion on 9 January 1943. It was redesignated for the 103d Artillery Regiment on 19 June 1961. The insignia was redesignated for the 103d Field Artillery Regiment on 16 June 1972.