Iver Johnson Revolver Serial Number Database Best May 2026

The best way to identify and date an Iver Johnson revolver is through the serial number and letter prefix

For many 20th-century models, the letter prefix (or lack thereof) is the primary indicator of the production era: Iver Johnson Revolver Serial Number Database BEST

• First Model (1894–1896): These are distinct because they use a "double post" latch to open the cylinder.
• Second Model (1897–1908): These use a single post latch. The serial numbers for the Second Model typically run in a specific range (e.g., 1 to 200,000+ depending on the frame size).
• Third Model (1909–1941): These are the most common found today. They feature a coiled spring trigger mechanism (unlike the leaf spring in earlier models).

  Note: Always ensure the firearm is unloaded before checking under the grips or inspecting the barrel. The best way to identify and date an

  Example of Goforth’s Data (Safety Hammerless 2nd Model): First Model (1894–1896): These are distinct because they