Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Furnishings and Equipment (hierarchy name)
4. Weapons and Ammunition (hierarchy name)
5. weapons
6. projectile weapons
7. [projectile weapons with explosive propellant]
8. firearms
9. small arms
10. [small arms by form]

Additional parents:

1. top of the aat hierarchies
2. Objects Facet
3. Furnishings and Equipment
4. Weapons and Ammunition
5. weapons
6. projectile weapons
7. projectile weapons with explosive propellant
8. firearms
9. small arms
10. small arms by form
11. handguns
12. pistols

Anotations

Scope note:

Firearms, typically though not always pistols, having several barrels which revolve around a central axis and are fired separately. For single-barreled firearms with a revolving multichambered cylinder, use "revolvers."