Smith & Wesson K Frame Model 66-4 Barrel Pinned Stainless Steel Used 2 1/2" .357 Magnum 6623B OEM parts 41 Magnum) - 1964-1993

41 Magnum) - 1964-1993

fully functional part pulled from a working firearm and inspected for serviceability

L Frame (Square Butt):

The rebound slide returns the trigger forward after each shot — a worn or broken unit causes trigger reset failures and unreliable double-action cycling

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Smith & Wesson K Frame Model 66-4 Barrel Pinned Stainless Steel Used 2 1/2" .357 Magnum 6623B OEM parts 41 Magnum) - 1964-1993Smith & Wesson K Frame Model 66 Barrel Pinned Part Number: 6623B Condition: Used Caliber: . 357 Magnum Length: 2 1 2" Material: Stainless Steel Style: Pinned barrel, old style Compatibility: K Frame Model 66 Combat Magnum Product Details This is a genuine Smith & Wesson factory replacement barrel for the K Frame Model 66 Combat Magnum revolver. This used barrel features the classic pinned design from the old style production era, chambered in . 357