Smith & Wesson M&P Sear Housing Block 9mm/.357 Sig/.40 - Part 390910000 M&P 9 pulled from a used firearm

pulled from a used firearm

40 S&W 3rd Gen Compact Alloy DAO 4054

This factory OEM part ensures proper slide function and longevity

Part number M5904C

Professional Gunsmith Installation Required: This internal component requires complete disassembly and reassembly of your revolver's action

Smith & Wesson M&P Sear Housing Block 9mm/.357 Sig/.40 - Part 390910000 M&P 9 pulled from a used firearmSmith & Wesson M&P Sear Housing Block Genuine Smith & Wesson factory sear housing block designed for M&P and M&P Compact pistols. This OEM part ensures reliable trigger function and proper sear engagement. What's Included: 1 sear housing block (without internal lock) Factory new condition Genuine S&W OEM part Compatibility: Models: M&P and M&P Compact Calibers: 9mm, . 357 Sig, . 40 S&W Important: This version WITHOUT internal lock will ONLY fit models