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Add a top Picatinny rail and two side rails to your pistol for red dot sight and other accessories. This mount adapter also includes a bottom rail, so it will retain the original functionality of your pistol. This rail adapter is compatible with the following pistols:
- M&P 9 (WE Big Bird, etc.)
- M&P 40 (WE Big Bird, etc.)
You will need a #6-32x1.5" screw and a nut. The screw and nut are not included, but can be easily sourced from your local hardware store (e.g. Home Depot, Lowes, etc.).
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