Factory replacement parts are manufactured to the exact same specifications and tolerances and use the same manufacturing materials as the original parts. Some parts may require installation by a qualified gunsmith.
Smith & Wesson Mainspring Plunger S&W 3953TSW, 4003TSW, 4006TSW, 4013TSW, 4043TSW, 4046TSW, 4053TSW, 4513TSW, 4553TSW, 4563TSW, 4566TSW, 4583TSW, 4586TSW, 5903TSW, 5906TSW, 5943TSW, CS40C, CS40D, CS
- Product Family #: 1004408817
- Product #: 143361
- Manufacturer #: 239020000
- UPC #: 197706143361
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