Smith & Wesson M&P Sear Housing Block 9mm/.357 Sig/.40 - Part 390910000
Smith & 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 WITH thumb safety
Important Note:
This sear housing block without internal lock will ONLY fit models with the thumb safety. If used with a model without the thumb safety, the sear housing block will hit the frame plugs and will not function properly.
Why Choose OEM Parts:
Factory parts ensure proper fit and reliable function. The sear housing block is a critical component for safe and consistent trigger operation.
Part Number: 390910000
Based on the product listing for the Smith & Wesson M&P Sear Housing Block (Part 390910000), here are the details regarding the parts included and their specific compatibility requirements:
Included Components
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Sear Housing Block: A single, genuine S&W OEM factory unit.
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Condition: Factory new.
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Internal Configuration: This is the version without an internal lock.
Compatibility & Fitment
This specific part is not a universal fit for all M&P models. Note the following requirements:
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Models: Fits M&P and M&P Compact pistols.
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Calibers: Compatible with 9mm, .357 Sig, and .40 S&W.
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Safety Requirement: This part will ONLY fit models equipped with a manual thumb safety.
Warning: If you attempt to install this in a model without a thumb safety, the block will hit the frame plugs and fail to function properly.