Smith & Wesson K Frame Model 19 Main Spring .357 Magnum 19141C
Smith & Wesson K Frame Model 19 Main Spring — Old Style
Part Number: 19141C | Condition: Pre-Owned / Used | Caliber: .357 Magnum / .38 Special | Frame: K Frame
Keep your Model 19 Combat Magnum running reliably with this genuine Smith & Wesson factory main spring. This is the old-style design, a direct OEM replacement that maintains the original trigger feel and function your revolver was built with.
- Genuine S&W factory part — same specs, materials, and tolerances as original
- Compatible with S&W K Frame Model 19 revolvers chambered in .357 Magnum / .38 Special
- Old-style design — verify compatibility with your specific serial range before ordering
- Pre-owned component in serviceable condition
- Professional installation recommended — gunsmith fitting may be required
How to Identify Your S&W Model Number
Swing out the cylinder and check behind the yoke on the frame. Model numbers were introduced in 1957–58. If no model number is present, your revolver may pre-date that era — contact us with your serial number and we'll help you find the right part.
Questions? Email or call USA Guns And Gear — we specialize in new, used, and new-old-stock Smith & Wesson double-action revolver parts.