Genuine Smith & Wesson Factory Housing Block
Factory OEM sear housing block without integral lock or magazine safety for Smith & Wesson M&P pistols. This genuine S&W part ensures perfect fit and reliable performance.
Key Features:
- Genuine OEM Part: Factory Smith & Wesson part #390900000
- No Integral Lock: Housing block without internal lock mechanism
- No Magazine Safety: Allows firing without magazine inserted
- Universal Fit: Compatible with M&P 9mm, .40 S&W, and .357 Sig models
- Multiple Sizes: Fits both full-size and compact M&P pistols
- Quality Construction: Durable factory-grade materials
Compatibility:
This housing block fits the following Smith & Wesson M&P models:
- M&P 9mm (1.0 and 2.0, Full Size and Compact)
- M&P .40 S&W (1.0 and 2.0, Full Size and Compact)
- M&P .357 Sig (1.0 and 2.0, Full Size and Compact)
Installation:
Professional installation strongly recommended. Advanced gunsmithing required. Installation difficulty: Advanced.
Part Number: 390900000
Condition: Factory New
Warranty: Smith & Wesson factory warranty
Replace worn or damaged housing blocks with this genuine factory replacement. This is an internal fire control component that requires professional installation.