The bulk update request #11550 is pending approval.

create alias handguns (0) -> handgun (11114)
create alias hand_guns (0) -> handgun (11114)
create alias pistols (48) -> pistol (7063)
create alias revolvers (6) -> revolver (2347)

Reason: Plural to singular aliases. Characters holding two guns at the same time are dual_wielding.

Tag history:
https://e621.net/post_versions?commit=Search&search%5Btags_added%5D=handguns
https://e621.net/post_versions?commit=Search&search%5Btags_added%5D=hand_guns
https://e621.net/post_versions?commit=Search&search%5Btags_added%5D=pistols
https://e621.net/post_versions?commit=Search&search%5Btags_added%5D=revolvers