Smith & Wesson Model 659 Disconnector Assembly Stainless Steel 9MM - 6593B M&P 22 These are the old style

These are the old style screws

K Frame (Round Butt):

Smith & Wesson Pistol Model 3913 Release Lever Lady Smith 9MM Used

5" Barrel Length

revolver enthusiast

Smith & Wesson Model 659 Disconnector Assembly Stainless Steel 9MM - 6593B M&P 22 These are the old styleSmith & Wesson Model 659 Disconnector Assembly Used Original Factory Part This is a used original Smith & Wesson factory disconnector assembly for the Model 659 9mm semi automatic pistol (2nd Generation, stainless steel). The disconnector is a critical fire control safety component that prevents the pistol from firing more than one round per trigger pull by resetting the sear after each shot. This stainless steel assembly is a direct OEM replacement