Note: Before proceeding, it’s important to clarify a technical nuance. Smith & Wesson did not manufacture a factory-designated "Model 195." The most famous S&W .45 ACP revolver is the . However, collectors and gunsmiths often refer to the 1950 Target Model (pre-Model 26) or the 1950 .45 Army Model (pre-Model 22). The number "195" in user searches frequently refers to a custom build or a misunderstood model year (e.g., 1950). For the purpose of this guide, we are addressing the installation of a barrel or cylinder on a Post-War N-Frame .45 ACP revolver (circa 1950–1955) that is commonly mislabeled as the "Model 195." The Complete Guide to Smith and Wesson Model 195 Serial Numbers and Parts Install If you own a classic Smith & Wesson N-frame revolver from the early 1950s—often called the "Model 195" by collectors referencing the 1950 Target or Army model—you understand the value of proper maintenance. Unlike modern CNC-machined pistols, these post-war revolvers require a nuanced understanding of serial number locations, hand-fitting, and timing before you install any new parts.
Looking for specific serial number dating? The standard reference is the "Standard Catalog of Smith & Wesson" (4th Edition) by Supica and Nahas. Your "Model 195" likely shipped between 1950 and 1955. smith and wesson model 195 serial numbers install
If your serial numbers predate S62,000, you have a .45 Hand Ejector Model of 1917 (even earlier design) – stop, as the parts are not interchangeable with a 1950 gun. Note: Before proceeding, it’s important to clarify a
| Location | What it tells you | Tool needed | | :--- | :--- | :--- | | | Primary serial (legal S/N) | Screwdriver (remove grips) | | Yoke (crane) | Last 3-4 digits of S/N | Bright light | | Cylinder face | Last 3-4 digits | Magnifying glass | | Extractor star | Last 3-4 digits (under star) | Extractor rod tool | The number "195" in user searches frequently refers