Fresno police arrested 23-year-old Isaac Zepeda Friday in Central Fresno.
Authorities say they found a loaded handgun and a sawed-off shotgun on him.
Zepeda is facing a number of charges, including being a felon in possession of a firearm. He is also on probation.
Police say two other Bulldog gang members were also arrested for violating probation conditions by associating with gang members.