Smith & Wesson OEM Sear Housing Block Assembly for M&P 9/40 Pistols with Magazine & Manual Safety
This factory sear housing block assembly with integrated magazine safety and manual safety is a critical fire control component for M&P9 and M&P40 pistols equipped with both safety features. Genuine S&W quality ensures proper fit, reliable function, and safe operation.
- Genuine S&W Part: Factory OEM component (Part #393120000)
- Multi-Caliber Fit: Compatible with M&P 9mm and .40 S&W pistols
- Universal Size: Fits Full Size and Compact models
- Magazine Safety Included: Integrated magazine disconnect safety
- Manual Safety Included: Integrated thumb safety mechanism
- Critical Component: Essential fire control housing assembly
- Precision Manufactured: Built to exact S&W specifications
- New Condition: Never used, factory fresh
Compatibility: M&P9 and M&P40 Full Size and Compact models with magazine safety AND manual safety (both 1.0 and 2.0 generations).
Installation: Requires complete disassembly and reassembly of fire control components. Professional gunsmith installation strongly recommended.
Restore proper fire control function to your M&P pistol with this genuine Smith & Wesson sear housing block assembly featuring both magazine and manual safety.