The Agency Arms MDULR MLOK Rail for Benelli M4 is a precision-engineered handguard designed for optimal performance and versatility. Constructed from durable 6063 aluminum, this lightweight handguard is 8.5 inches long and weighs only 8.6 ounces, making it an ideal upgrade for your Benelli M4 shotgun. With 38 full-size MLOK attachment slots, you'll have ample options for mounting accessories such as lights, grips, and bipods. The rail comes pre-assembled with the receiver and front barrel mount, ensuring a straightforward installation process. For best results, please refer to the installation video provided. Elevate your shotgun's functionality with this high-quality MLOK rail from Agency Arms.