Description
Rebound Slide & Spring
Part Number: M5904E
It is formed of strong
Part Number: BG380D
Threaded Length: 0
S&W M&P 9/40 Sear Housing Block Manual Safety | OEM 423870000 k686u Rebound Slide & SpringSmith & Wesson OEM Sear Housing Block Assembly for M&P 9 40 Pistols with Manual Safety Lever This factory sear housing block assembly with integrated manual safety lever is a critical fire control component for M&P9 and M&P40 pistols equipped with manual thumb safety. Genuine S&W quality ensures proper fit, reliable function, and safe operation. Genuine S&W Part: Factory OEM component (Part #423870000) Multi Caliber Fit: Compatible with M&P 9mm and .