A Blackwell firefighter is accused of selling an unregistered, Russian-made AK-47 machine gun to an undercover police officer in exchange for $2,000.

Blackwell police officer John Robert Harvey also is charged in the case.

Federal prosecutors said Troy Ron Aebischer, 30, sold the gun Feb. 28 to Blackwell police officer Bobby Kehn, who had contacted the department's chief when Aebischer initially offered him the weapon.

Prosecutors said Harvey, 26, brought the weapon into the country illegally from Afghanistan during a recent “military deployment.”