I think it is but Mossberg does not state that it is in THEIR web site listing so I suggest that you contact them with the UPC to be 100% sure specs from mossberg Specifications UPC 015813552448 Manufacturer Mossberg Description Mossberg 55244 500 Slugste
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Anonymous
Answered
Joseph, yes Sir, this shotgun is Drilled and Tapped for Optics mounting.
