Genuine S&W Factory Magazine
Compatibility: Smith and Wesson M&P40. Designed for a flush fit in the full size M&P40 models. It will also fit the compact M&P40 models, but the bottom of the magazine will extend beyond the bottom of the magazine well leaving part of the magazine body visible.
Manufacturer's Part Number: 19439
Availability: Not available to NJ, HI, CA, NY, CT, MA, MD, DC, Aurora IL, Cook County IL, and Highland Park IL