Category D Firearms are generally for more specialised use , generally only used for occupational purposes such as primary producers, pest controllers, firearms dealers, armourers, instructors and theatrical ordnance suppliers.

(1) Each of the following is a category D weapon—

a) a self-loading centre-fire rifle designed or adapted for military purposes or a firearm that substantially duplicates a rifle of that type in design, function or appearance;
b) a non-military style self-loading centre-fire rifle with either an integral or detachable magazine;
c) a self-loading shotgun with either an integral or detachable magazine with a capacity of more than 5 rounds and a pump action shotgun with a capacity of more than 5 rounds;
d) a self-loading rim-fire rifle with a magazine capacity of more than 10 rounds.

(2)  Subsection (1) applies to a weapon mentioned in the subsection even  if the weapon is permanently inoperable.