Magpul Industries, MOE M-LOK Forend, Fits Mossberg 590/590A1, Polymer Construction, Features M-LOK Slots, GrayThe MOE M LOK Forend is a drop in replacement for the Mossberg 590 590A1 12ga shotguns, featuring an extended length and front rear hand stops for improved weapon manipulation. Now updated with M LOK slots for compatibility with all M LOK accessories, this Forend adds modularity to the proven Mossberg platform for sporting use, home defense, or on duty. Made in U. S. A. Features : Compatible with Mossberg 590 590A1 12ga shotguns Reinforced polymer