(1)    Each of the following is a category A if it has not been rendered  permanently inoperable –

a) a miniature cannon under 120 cm in barrel length that is a black powder and muzzle loading cannon, depicting a scale model of an historical artillery piece or naval gun;
b) an air rifle;
c) a blank-fire firearm at least 75 cm in length;
d) a rimfire rifle (other than a self-loading rimfire rifle);
e) a single or double barrel shotgun;
f) a powerhead.

(2)     A conversion unit is also a category A.

(3)   In this section — “conversion unit” means a unit or device or barrel that is capable of being used for converting a category A that is a firearm from one calibre to another calibre.

Each of the following is a category B if it has not been rendered  permanently inoperable–

a) a muzzle-loading firearm;
b) a single shot centre fire rifle;
c) a double barrel centre fire rifle;
d) a repeating centre fire rifle;
e) a break action shotgun and rifle combination.

Each of the following is a category C if it has not been rendered permanently inoperable—

a) a semiautomatic rimfire rifle with a magazine capacity no greater than 10 rounds;
b) a semiautomatic shotgun with a magazine capacity no greater than 5 rounds;
c) a pump action shotgun with a magazine capacity no greater than 5 rounds.

Each of the following is a category D —

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 rimfire rifle with a magazine capacity of more than 10 rounds.

(1) A firearm, including an air pistol and a blank-fire firearm, under 75 cm in length, other than a powerhead, is a category H, regardless of whether it has been rendered permanently inoperable;

(2) A conversion unit is also a category H;

(3) This section does not apply to a powerhead or category C, D or R;

(4) In this section– “conversion unit” means a unit or device or barrel that is capable of being used for converting a category H that is a firearm from one calibre to another calibre.

For schedule 2 of the Act, each of the following comprises a class of category H—

(a) an air pistol;
(b) a centre-fire pistol with a calibre of not more than .38 inch or a black-powder pistol;
(c) a centre-fire pistol with a calibre of more than .38 inch but not more than .45 inch;
(d) a rim-fire pistol.