The Master Gunner Association (Mr Gnr) was founded in 1959 with the object of promoting espirt de corps and a better understanding of advancing technologies through Mr Gnr briefings in areas such as rockets, radars and guns. A general meeting of the Mr Gnr Association is normally held annually.
The following are members of the Mr Gnr Association of Canada:
- all serving Mr Gnrs from all aspects of the Canadian Army or Commonwealth, both regular and reserve; and
- artillery schools; and
- all retired Mr Gnrs from all aspects of the Canadian Army and other Commonwealth forces.
Once a person has completed the Army Technical Warrant Officers Course (ATWO), on graduation that person becomes a lifetime member of the Mr Gnr Association.