The distinctive unit insignia, commonly referred to as the unit crest, of the 163rd Field Artillery Regiment of the United States Army National Guard is often inscribed with the motto "Arms for Support." The design of the crest typically includes:

- Symbols representing artillery, such as cannons or projectiles.
- Colors and elements that reflect the regiment's heritage, service, and honors.
- The motto "Arms for Support" signifying the regiment's role in providing artillery support to maneuver units.

This insignia is worn by members of the 163rd Field Artillery Regiment to symbolize their unit pride, history, and mission within the Army National Guard.