Per pale Or and Gules, in front of two machetes in saltire a flaming grenade all Proper.
That for the regiments and separate battalions of the Puerto Rico Army National Guard: On a wreath of the colors Or and Gules, upon a closed book Gules with pages edged Or a paschal lamb couchant with staff and banner of San Juan (Gules a cross Argent) all Proper.
HASTA EL CABO (Up To The Hilt).
The machetes carried by this organization, as an additional weapon, throughout World War II is closely associated with the military history of the country. The flaming grenade, traditional insignia of the Spanish Artillery, was used by the "milicias disciplinades" in Puerto Rico in 1763, which organization was a prototype of the present Artillery organization.
The crest is that of the Puerto Rico Army National Guard.
The coat of arms was originally approved for the 162d Field Artillery Regiment on 19 October 1951. It was redesignated for the 162d Artillery Regiment on 14 June 1961. The insignia was redesignated for the 162d Field Artillery Regiment on 28 August 1972.