This Smith & Wesson 640 revolver went into the North Tower on September 11, 2001, as the backup gun of NYPD Officer Walter Weaver. Officer Weaver’s last known location was on the sixth floor, helping rescue people trapped in an elevator.

You can read more about Officer Weaver’s sacrifice—representative of the sacrifice of many heroes that day—and view another photo of this revolver recovered in the ashes of Ground Zero at the NRA Museums Facebook page.

Tags: 9/11