Smith & Wesson Manual Safety Screw S&W 639, 645, 659, 669 Stainless Steel

Product #: 428937 Smith & Wesson #: 105380000
Date expected in stock: Overdue

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Product Information

Factory replacement part from Smith & Wesson.

Technical Information

Features: Smith & Wesson factory part (Phillips Head)

Gunsmithing Required: Disassembly and Assembly required to replace part


  • Some parts may require installation 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
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