The Midwest Industries M-Lok Handguard features an advanced ergonomic shape which improves the feel and handling. The lightweight yet rugged construction of the 6061 aluminum, hard coat anodized handguard is designed for a lifetime of service. FeaturesCompatible with Benelli M4 and clonesM-LOK compatibleConstructed from Type 3 Hard Coat Anodized 6061 Aluminum for a lifetime of service5-slot polymer M-LOK rail includedFully dehorned and deburred