Smith & Wesson Used K Frame Model K38 Thumbpiece & Nut - K831 J539 introduced in 1979

introduced in 1979

reflective sight is desired

including historic Victory Models

Not compatible with fiber or aluminum ribs

Smith & Wesson Used K Frame Model K38 Thumbpiece & Nut - K831 J539 introduced in 1979Used OEM thumbpiece and nut pulled from a Smith & Wesson K Frame Model K38. The thumbpiece (cylinder release latch) is the lever you press to swing out the cylinder a high wear contact point that's commonly needed for restoration or repair. Fits: S&W K Frame Model K38 Condition: Used OEM cleaned, inspected, and guaranteed Includes: Thumbpiece and retaining nut Part Number: K831 Installation Note: Disassembly and reassembly of the revolver is required.