A specialized kind of rail kit made especially for the Shockwave model is called the Mossberg Shockwave Rail. A secure mounting surface for sights, lasers, lights, and other accessories, the Mossberg Shockwave Rail is a Picatinny rail that fastens to the top of the Shockwave's receiver.

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It’s the Mossberg 590 rail that comes with different slots. These slots are provided to help you mount the light or any other optical device on the firearm easily.

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