Midwest Industries Two Piece Free Float Handguard AR-15 11.5 in Mid Length M-LOK Anodized Black. Installs on GI barrel nut (not included with handguard). Specifications for Midwest Industries AR-15 Two-Piece Free Float M-LOK Handguard: Manufacturer: Midwest Industries Color: Black Finish: Type III Hard Coat Anodized Fabric/Material: 6061 Aluminum Gun Make: AR Platform Gun Model: AR-15 Gun Type: Rifle Handguard Type: Free-Float Gun Rail: M-LOK Condition: New Included Accessories: 5 Slot M-LOK Rail Mount Type: M-LOK Country of Origin: USA Features of Midwest Industries AR-15 Two-Piece Free Float M-LOK Handguard Monolithic type continuous top rail Five anti rotation QD sockets for push button swivels Lightweight with extremely solid lock up M-LOK Compatible sides LENGTHS DO NOT INCLUDE MOUNTING TABS Package Contents: Midwest Industries AR-15 Two-Piece Free Float M-LOK Handguard Five-Slot M-LOK Compatible Rail Piece Midwest Industries MI-21XM: Two Piece Free Float Handguard AR-15 11.5 in Mid Length M-LOK Anodized Black