Smith & Wesson Model 639 Stainless Pistol Magazine Catch Nut Used 9mm 63935 j651u This is a used OEM

This is a used OEM rebound slide assembly removed from a functioning Smith & Wesson Model 16 revolver

Condition: Used — Good working condition

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Smith & Wesson Model 639 Stainless Pistol Magazine Catch Nut Used 9mm 63935 j651u This is a used OEMSmith & Wesson Model 639 Magazine Catch Nut Used OEM Part Factory original Smith & Wesson magazine catch nut for the Model 639 stainless steel 9mm pistol. Part number 63935. This used part is a genuine OEM component and a direct replacement for the factory magazine catch nut in the 2nd generation S&W semi automatic pistol line. The magazine catch nut secures the magazine catch button assembly and is essential for reliable magazine retention and