Female
Katy M. O'Brian can be seen using the following weapons in the following television series:
| Character | Firearm | Notes |
|---|---|---|
| Officer Katie Barnes | Glock 17 | Surefire X300 weaponlight, "New Blood" (S3E11) |
| Officer Katie Barnes | Remington 870 | Police Magnum model, extended mag tube "New Blood" (S3E11) |