The break-in at the armory in Ontario was reported to local police after 4 p.m. Tuesday, but it wasn’t known when the theft occurred.
Ontario police Officer Eliseo Guerrero said no firearms or ammunition were taken.
The thief or thieves broke through a chain-link fence and into a locked storage container to take the gear, he said.
Ontario is about 35 miles (56 kilometers) east of Los Angeles.
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