Paragraph PL5018 Technical Note:
Smooth-bore weapons, other than those specified in entry ML1.b. and ML2, and specially designed components therefor;
except:
a.
Air weapons (other than those declared by the Firearms (Dangerous Air Weapons) Rules 1969 to be specially dangerous);
b.
Air (pneumatic) or cartridge (explosive) powered guns or pistols designed as:
1.
Industrial tools; or
2.
Humane stunning devices employed specifically for animal slaughter;
c.
Signal pistols.