KS139A Smith & Wesson K Frame Model 66 Internal Parts & Strain Screw Used v44 Also commonly referred to as

Also commonly referred to as an ejector rod

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Model 342 (

Performance Center versions of S&W revolvers feature hand-selected parts and precision tuning

This advanced surface treatment creates a durable

KS139A Smith & Wesson K Frame Model 66 Internal Parts & Strain Screw Used v44 Also commonly referred to asKS139A Smith & Wesson K Frame Model 66 Internal Parts & Strain Screw . 357 Magnum Used Parts Lot This listing Includes Bolt, Cylinder Stop, Hammer Block, Main Spring, Rebound Slide & Spring, 1 Spring, & Strain Screw. Revolver Pistol Gun Part. Please call or email with any questions! How to determine the model number of your Smith & Wesson Revolver. Swing out the cylinder , check behind the yoke on the frame for a MODEL NUMBER. Model numbers began in