Azure, a mailed dexter hand grasping an oak branch fructed Or debruised by a bend wavy Argent charged with a broken chain Sable, on a chief of the last a portcullis of the third.
That for the regiments and separate battalions of the Army Reserve: From a wreath Argent and Azure, 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.
CLEAR THE WAY.
The mailed gauntlet grasping the oak branch symbolizes the drive through the Argonne Forest in World War I; the broken chain, the rescue of the surrounded troops; the bend represents the Vesle River; the portcullis, Grand Pré.
The crest is that of the U.S. Army Reserve.
The coat of arms was originally approved for the 307th Regiment Infantry, Organized Reserves on 12 May 1924. It was amended to withdraw "Organized Reserves" from the designation and to delete the Organized Reserves' crest from the coat of arms on 10 Aug 1959. On 28 Jul 1970 it was amended to reinstate the crest of the Army Reserve and revise the symbolism for the 307th Infantry Regiment. The coat of arms was redesignated for the 307th Regiment on 8 Apr 1999.