Police responded to the call at Phillips 66 at 15541 I-30 just after 1:30, where a suspect described as 5 feet 9 inches to 6 feet tall with a heavyset build displayed a pistol before fleeing the business with an undisclosed amount of money.
The suspect was last seen wearing a black hat with white lettering, a black shirt with white lettering and blue jeans.
No one was injured during the robbery.
Police say detectives are diligently working leads in the case and additional information will be released as it becomes available.
Anyone with information regarding this incident is encouraged to please contact the Benton Police Department at 778-1171 or 315-TIPS.
Individuals also may send an anonymous crime tip to CRIMES (274637) with the keyword BNPD in the body of the text.
To see the surveillance footage, watch the embedded video.