The Kharkiv-based system of illegal production, sales and contraband of small arms was crushed by the Security Service.
The gang included 20 members in various regions of Ukraine. Its mastermind was a Kharkiv student, SBU says.
The gang bought up signal, traumatic and sports guns, converting them into combat weapons.
SBU searched over 20 homes of gang members, finding 35 small arms weapons, hand guns and automatic pistols converted for combat ammunition.
SBU agents also seized lathes and other equipment for manufacturing weapons metal parts and ammunition.