THIEVES took five guns from a safe in a home in June Court, Keysborough.
The theft occurred between 7.30pm on 16 July and noon on 17 July.
Police said they were registered longarm firearms made by Miroku, Bentley, Iver Johnson, Stirling, and Sturm Ruger.
Call Crime Stoppers on 1800 333 000 with any information.