The phrase was introduced as part of the 1992 amendment to the Arms Act that was intended to impose stricter controls on military style semi-automatic firearms following the 1990 Aramoana massacre where a lone gunman , who held a lifetime firearms licence , killed 13 people using several different firearms , including a semi-automatic rifle that he fired from the hip at police
Aramoana massacre
Aramoana massacre
Military-style semi-automatic firearms