The Magpul MAG494-ORG MOE M-LOK Forend for Mossberg 590/590A1 is a drop-in replacement for the Mossberg 590/590A1 12 Gauge 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 12 Gauge ShotgunsReinforced Polymer ConstructionM-LOK Slots for Direct Attachment of AccessoriesWrench Included