Smith & Wesson K Frame Model 66 Internal Parts & Strain Screw Lot Used .357 Magnum - KS139A

Smith & Wesson K Frame Model 66 Internal Parts & Strain Screw Lot — Used

Part Lot # KS139A | Used | K Frame | Model 66 | .357 Magnum | Parts Lot

Used internal parts lot for the Smith & Wesson Model 66 K Frame revolver (.357 Magnum). A convenient set of common action and lockwork components — ideal for a full action job, gunsmith parts stock, or sourcing hard-to-find used K Frame internals. All parts are used and sourced from a Model 66 revolver.

This Lot Includes

• Bolt (Cylinder Stop Bolt)
• Cylinder Stop
• Hammer Block
• Main Spring (Hammer Spring)
• Rebound Slide
• Rebound Slide Spring
• Additional Spring (type unidentified)
• Strain Screw

Compatibility

• Model: Smith & Wesson Model 66 K Frame (.357 Magnum)
• Note: Most of these internal components (bolt, cylinder stop, hammer block, mainspring, rebound slide and spring) are common across K Frame DA/SA centerfire models and may interchange with Models 10, 13, 14, 15, 19, 64, 65, 67 and related variants — verify with your gunsmith before use in a different model.
• Condition: Used — inspect all parts individually before installation. Professional gunsmith installation and function testing required.

Specifications

• Frame: K Frame
• Caliber: .357 Magnum
• Condition: Used
• OEM: Factory Smith & Wesson parts