DUBLIN (CBS SF) — A man was arrested on drug charges following an investigation by Dublin police and the Alameda County Narcotics Task Force, authorities said Friday.

Dublin police said officers executed a search warrant on the 6400 block of Golden Gate Dr. in Dublin, and at a home in Bay Point. Officers recovered over one pound of cocaine, along with a loaded AR-15 rifle with a 30-round extended magazine, a Glock 37 .45 caliber handgun, a Star 9mm handgun, jewelry, and over $100,000 in cash, police said.

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Ricardo Gallardo Sr., evidence seized (Dublin Police Department)

Officers arrested 46-year-old Ricardo Gallardo Sr. during the operation. Gallardo is listed as the owner of Tri-Valley Muffler & Brake at 6437 Golden Gate Dr. in Dublin, according to the Employment Development Department.

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Gallardo was booked at Santa Rita Jail for possession of narcotics for sales, police said.

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No other details were immediately available.