Smith & Wesson J Frame Model 640-3 Hammer & Trigger .357 Magnum MIM Used action parts The Model 342 AirLite is

The Model 342 AirLite is S&W's ultra-lightweight Centennial-style J Frame

Precision-machined to exact tolerances

Part Number: 199260000

Grips and extracts spent casings

Smith & Wesson J Frame Model 640-3 Hammer & Trigger .357 Magnum MIM Used action parts The Model 342 AirLite isSmith & Wesson J Frame Model 640 3 Hammer & Trigger . 357 Magnum MIM Used (Part# J64031) This listing is for one used Smith & Wesson J Frame Model 640 3 hammer and trigger assembly chambered for . 357 Magnum. These are MIM (Metal Injection Molded) OEM factory parts in used condition, removed from a functioning firearm. The Model 640 Centennial features a concealed internal hammer for snag free carry. Compatibility note: This assembly is specifically