Smith And Wesson Model 195 Serial Numbers Install Page

Unlike modern revolvers, old Smiths had parts hand-filed to match a specific frame. Installing a cylinder or barrel without checking serial alignment will destroy timing and lockup.

Even with matching serial numbers, old revolvers have wear. Here are the three most common issues after installation: smith and wesson model 195 serial numbers install

| Symptom | Cause | Fix based on serial era | | :--- | :--- | :--- | | Cylinder binds after 6 shots | Extractor rod unscrewed (reverse threads on S&W). | Tighten rod. Pre-1955 guns have left-hand threads. | | Hammer won't cock on one chamber | Ratchet tooth worn. Serial mismatch between cylinder and hand. | Replace hand with N-frame long-action part. | | Bullets shave lead at barrel gap | Barrel over-indexed (too tight). Gap less than 0.003”. | Re-cut forcing cone or re-set barrel shoulder. | Unlike modern revolvers, old Smiths had parts hand-filed

The Smith & Wesson Model 19 is a revolver featured on the K-frame (medium frame). It was the first revolver chambered in .357 Magnum that was practical for regular police carry and civilian use, largely due to the efforts of firearms instructor Bill Jordan, who collaborated with S&W on its design. Even with matching serial numbers, old revolvers have wear