Smith & Wesson M&P Sear Housing Block 9mm/.357 Sig/.40 - Part 390910000 frame parts This factory trigger bar assembly

This factory trigger bar assembly is a critical fire control component that connects the trigger to the striker system in M&P9 and M&P40 Compact pistols

Whether you're replacing a worn cylinder or building a custom revolver

5946 (9mm)

Professional installation and headspacing required

Smith & Wesson Model 681

Smith & Wesson M&P Sear Housing Block 9mm/.357 Sig/.40 - Part 390910000 frame parts This factory trigger bar assemblySmith & 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