Smith & Wesson M&P 9mm Trigger Bar Assembly with Spring Used – Part# MP903C
Smith & Wesson M&P 9mm Trigger Bar Assembly with Spring – Used
Part Number: MP903C | Condition: Used (Factory Original) | Caliber: 9mm
Restore your M&P 9 to factory-correct function with this genuine Smith & Wesson trigger bar assembly with spring. The trigger bar transfers trigger pull to the sear, engaging the lever housing block when pulled to initiate the firing sequence. This assembly is ready to install and includes the spring.
- Part Number: MP903C
- Fits: Smith & Wesson M&P 9 (9mm)
- Caliber: 9mm
- Includes: Trigger bar assembly and spring
- Condition: Used – factory original S&W part
- Installation: Gunsmith fitting required; fire control components are safety-critical
Compatibility Note
This trigger bar assembly is specific to the M&P 9mm. It is not interchangeable with .40 S&W or .45 ACP M&P variants. If you are unsure of compatibility, contact us with your model and serial number.
Factory Replacement Quality
Genuine Smith & Wesson factory parts are manufactured to the exact specifications and tolerances of the originals — same materials, same dimensions, same reliable function.
Professional gunsmith installation required. Fire control components are safety-critical and must be properly fitted and tested before use.