Police raided four factories manufacturing illegal arms in the district and arrested four persons in the last two days, an official said.
Aurangabad city in central Maharashtra had witnessed a riot on May 11 following unrest over the civic body's crack-down against illegal water connections.
Weapons seized by district rural police included five swords, 10 knives, daggers and other arms.
Assistant police inspector Pandit Sonawane of Bidkin police station said that raids were conducted in Kesapuri, Chittegaon, Farola and Allana Tanda areas.
Four persons were arrested, he added.