Mossberg has introduced the 590 Shockwave 12-gauge firearm. A non-NFA firearm, these transfer just like any Title 1 pistol, rifle, or shotgun. It features a 14″ barrel and associated 590 front-end components as well as the Shockwave Technologies Raptor Grip for M500.
Team Shockwave is very proud and honored that Mossberg has chosen to pair our grip with their newest offering.
The part number is 50659 (UPC 015813506595). You can find the release information here: http://www.mossberg.com/category/series/590-shockwave/
Some press on the new offering: