Money, a stolen vehicle and a gun were seized by police as part of a search of the Mongols MC's South Island headquarters.
Detective Inspector Julian Rinckes said police, including members of the Armed Offenders Squad and Police Dog Section, carried out a search warrant at the address on Main Rd
South, Burnham in Canterbury.
A second search warrant targeting the group was executed by the Christchurch
District Organised Crime Group on Rolleston Drive, Rolleston.
"The search warrants targeted a core group that are alleged to be involved in
the importation, distribution and manufacture of illicit drugs throughout
Christchurch."