The robbery took place around 9:50 p.m., Sunday, April 5 on Oak Street, in Uniondale, said the Nassau County Police.
According to detectives, two men entered the 7-Eleven and one pointed a black handgun at an employee and demanded cash from the register as well as various cigars and cigarettes.
The second man demanded a second employee open a second register and empty the contents, police said.
After the victims complied, the men exited the store on foot southbound towards Westbury Road.
No injuries were reported.
The first man is described as being a black male in his 20s, 6-foot2, with a medium build. He was all denim with a white hooded sweatshirt, a black ski mask, and tan boots.
The second man is described as being in his 20s, 5-foot8, with a medium build. He was wearing a bubble jacket with a fur hood, dark-colored pants, a surgical mask, blue sneakers and a blue sports jersey with white and red stripes.
Detectives request anyone with information contact Nassau County Crime Stoppers at 1-800-244-TIPS or call 911.
All callers will remain anonymous.
Click here to follow Daily Voice Suffolk and receive free news updates.