Mossberg 500 Shotgun - Modular Red Dot AdapterOuterImpact is excited to introduce the Mossberg 500 Shotgun Red Dot Adapter Mount M. R. A. This product will allow the shooter to utilize a variety of red dot sights on their Mossberg with one adapter. We at OuterImpact have gone to great lengths to assure that the fit and finish of this system are top notch. We have been excited about the increased popularity of the Mini Red Dots on shotgun platforms. Unfortunately, not all of us are ready or