Official sources said that the raid was conducted in Margha Kabzai area of Zhob upon the identification of some extremists already under custody.
The suspects were whisked to an undisclosed location for further interrogation, while the details of seized arms were not provided immediately.
Baluchistan has long been suffering from a separatist insurgency, while some banned organizations are also functioning in different parts of the province that often come in face-off of the law enforcement agencies.