Smith & Wesson Magazine Floorplate Catch Assembly S&W 3953TSW, CS40C, CS40D, CS40S, CS9C, CS9S, 39, 3904, 3906, 3913, 3914, 3914DAO, 3944, 3946, 3953, 3954, 439, 539, 639, 4054, 908, 909 Polymer Black

This Smith & Wesson factory part may require Disassembly and Assembly to replace it. Some parts may require installation and fitting by a qualified gunsmith. Factory replacement parts are manufactured to the exact same specifications and tolerances and use the same manufacturing materials as the original parts.