Shield
Per fess dancett Gules and Or, in base a bar gemel Azure, overall a pale of the second charged in chief with a fleur-de-lis of the third and in base with a palm tree of the like.
Crest
That for the regiments and separate battalions of the Montana Army National Guard: Form a wreath Or and Gules a fleur-de-lis the middle leaf and tie Or, and outside leaves Argent.
Motto
MISSION WITH HONOR.
Shield
The colors red and yellow are used for Artillery. The pale represents Flathead Valley in which Kalispell, the headquarters of the original battalion, was located; the points refer to the Kootenai Mountains to the west and the Swan Mountains to the east. The fleur-de-lis symbolizes service in France during World War I, the palm tree service in the Pacific during World War II. The points also simulate arrowheads which, with the upper two blue stripes, represent the organization's two assault landings. The lower stripes are for the other two battle honors. The Infantry blue used for the stripes alludes to the unit's service in Infantry during World Wars I and II.
Crest
The crest is that of the Montana Army National Guard.
The coat of arms was originally approved for the 639th Field Artillery Battalion on 13 January 1955. It was redesignated for the 190th Artillery Regiment on 7 April 1961. Effective 1 October 1995, the insignia was redesignated for the 190th Field Artillery Regiment.