Officers responded to the 2400 block of Princeton Street around 8 p.m., Tuesday after a resident phoned police to report that someone had stolen $1,200 worth of guns from his home.
The resident noticed the guns were missing around 2 p.m. Police said the burglary appears to have taken place within the last couple of weeks.
The matter is currently under investigation, police said, and no suspects have been identified.
Police say they arrested Mark Hockaday, 49, of Butte for allegedly shoplifting a case of beer from Safeway on the 300 block of Front Street.
Employees at the store reported the suspected theft around 12:30 p.m. Tuesday.
The 49-year-old has been cited with misdemeanor shoplifting.