BAKERSFIELD, Calif. — On Saturday, a Bakersfield police officer stopped a man riding a bicycle for a code violation and ended up arresting him on multiple charges, including illegal firearm possession.

According to the Bakersfield Police Department, an officer stopped 24-year-old Gerardo Castillo at around 8 p.m. Saturday after observing an unspecified code violation. Castillo, who was on active felony probation, was found to be carrying "an airsoft gun, narcotic paraphernalia, shaved keys and a mask."

Police then discovered that the airsoft gun had been converted to fire .357 ammunition and was loaded with six rounds. Castillo, as a convicted felon and documented criminal gang member, was prohibited from possessing a weapon and was subsequently arrested.

Castillo was arrested for illegal firearm possession, possession of a zip gun, possession of burglary tools, possession of narcotic paraphernalia and gang participation.