Police in Shark Bay on Saturday came across thousands of rounds of ammunition and unlicensed firearms during a search warrant for drugs.

Sgt Glenn South said the haul was uncovered during a search of an industrial shed.

He said gun powder and detonators were also found at the premises, a residential property of a young family.

The unlicensed guns included three 12-gauge shot guns, seven rifles and a .357 Magnum revolver.

Sgt South said more than 2000rounds of low-powered ammunitionwas confiscated.