The grace period for people to give up weapons they possess ends next Tuesday, after which a sustained crackdown will begin.
In Chachoengsao province, a joint police-military team raid on the home of a former village head resulted in about 50 handguns and rifles being seized along with more than 500 bullets.
Suspect Wanchai Theerarat-tanakhet reportedly admitted he used guns for sports but said the weapons found in his home were not his.
In Chiang Rai’s Mae Sai district, a drug raid on 15 targets turned up an AK-47 assault rifle and ammunition as well as two hand grenades and some 158,000 amphetamine tablets.
A raid in Chiang Saen district on Wednesday resulted in the seizure of an M-16 assault rifle and equipment plus a large number of explosives and detonators used in mining with an expired permit for the explosives.
Meanwhile, Rayong police retrieved a large number of explosives and weapons found abandoned in Muang district.
The items include 13 M-79 rounds, three grenades and three home-made pistols.
In Pattaya, police found four hand grenades and one smoke grenade abandoned by Jomtien Beach Road III. Police said the grenades were useable despite their weathered condition.