The Midwest Industries Handguard offers a simple installation which is a direct replacement for HK factory handguards. The Midwest Handguard features fifteen full and five half sides of M-LOK compatible slots, a one five slot Mil-Spec top rail, and two anti-rotation QD sling swivel sockets. This extremely lightweight handguard is constructed of rugged 6061 aluminum, hard coat anodized, and is 1.8 inches in diameter to accept most suppressors. Includes all tools for installation. FeaturesMade for dedicated suppressor useWidth 2.06 inches / OAL height 2.6 inches / Internal Diameter 1.8 inchesFits A1 and A2 models of MP5 variantsProfessional grade one piece designSimple installation, includes all toolsExtremely lightweight designOne five slot M-LOK compatible rail includedFeatures two anti-rotation QD sling swivel socketsConstructed from Hard Coat Anodized 6061 Aluminum for a lifetime of service922R Compliant