Members of Rapid Action Battalion (RAB)-5 arrested an alleged arms trader from a mango orchard at Mobarakpur Bagbari village under Shibganj upazila in the district on Saturday night. The RAB also recovered three pistols, five magazines and 13 bullets from their possession.The arrested was identified as Md Palash Ali, 26, of Choto Hadinagar of the upazila.Being informed, a patrol team of RAB from Chapainawabganj camp raided the area and arrested Polash with the arms and ammunition. Later, he was handed over to the concerned police station.