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 Stirrup S&W 31, 32, 34, 36, 37, 38, 42, 49, 60, 63, 631, 632, 637, 638, 640, 642, 649
- Product Family #: 1004410350
- Product #: 149035
- Manufacturer #: 077740000
- UPC #: 197706149035
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