The Smith & Wesson Model 1955, also referred to in your query as the Model 195, is a variant of their semiautomatic pistol line. The Model 1955 specifically relates to the .45 ACP version of their Model 39 series, which was produced from 1955 to 1962.
Double Action / Single Action: The pistol allowed for both double-action and single-action shooting. smith and wesson model 195 serial numbers install
by Supica and Nahas is the gold standard for dating S&W firearms. The Smith & Wesson Model 1955, also referred
Assembly Numbers: Do not confuse the serial number with the 4- or 5-digit numbers found on the yoke or inside the frame. These are "assembly numbers" used during the manufacturing process and have no legal or dating value. 2. Decoding Model 19-5 Serial Numbers by Supica and Nahas is the gold standard
: By the time the 19-5 was produced, serial numbers typically consisted of a three-letter prefix followed by four digits (e.g., Smith & Wesson Historical Foundation Dating Your Model 19-5 The Model 19-5 was introduced in
The Yoke Cut: When you swing the cylinder out, you will often see "MOD 19-5" along with a serial number. Note that older target models might have the serial here, but other numbers found in this area are typically "assembly numbers" used for factory fitting and have no historical value. Understanding Model 19-5 Serial Formats
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.