Suppose your pistol has the serial number "E23456". Using the chart:
This guide provides a comprehensive framework for identifying Iver Johnson pistols and revolvers using serial numbers, physical characteristics, and historical chart data.
When researching your Iver Johnson pistol, be sure to handle the firearm safely and follow all local laws and regulations. pistol identification iver johnson serial number chart
Iver Johnson Pistol Identification & Serial Number Guide Identifying an Iver Johnson revolver or pistol can be challenging because the company frequently reused serial numbers across different models and variations. To accurately date your firearm, you must combine the with its prefix letter , patent dates , and specific mechanical features . Where to Find the Serial Number
Here's a general outline of the Iver Johnson serial number chart: Suppose your pistol has the serial number "E23456"
No factory records. Approximate year = (serial # ÷ 700) + 1887.
Before checking a serial number, examine the patent dates stamped on the barrel’s left or top side. These alone can narrow the generation: Iver Johnson Pistol Identification & Serial Number Guide
Add serial # to 1946 baseline – e.g., .32 #310,000 ≈ 1948.
Unlike Colt or Smith & Wesson, Iver Johnson did not maintain a single, continuous serial number log. Instead, they used:
Identifying an Iver Johnson pistol or revolver requires careful observation of patent dates, generation-specific features, and serial number ranges. While factory records are incomplete, the charts above will place most top-break Safety Automatic revolvers within a 5-10 year window. Always prioritize safety: never fire a 1st or early 2nd generation gun with modern smokeless ammunition. For semi-autos, use the specific model charts and note that post-1970 data is scarce.