Smith & Wesson Model 639 Stainless Pistol Magazine Catch Nut Used 9mm 63935 j651u K786 Smith & Wesson Used

K786 Smith & Wesson Used K Frame 1905 M&P

Frame: K Frame & L Frame (Centerfire Only)

Condition: Used — Good working condition

Engineered for reliable case extraction and consistent feeding — a critical upgrade or replacement for any 1911 build or restoration

A cost-effective alternative to new parts for vintage Combat Magnum revolvers

Smith & Wesson Model 639 Stainless Pistol Magazine Catch Nut Used 9mm 63935 j651u K786 Smith & Wesson UsedSmith & 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