The biggest, baddest wolf of them all. Drilled and tapped for our picatinny rail at 6:00 and 12:00. Not compatible with Short Shields or Sprocket End Caps. Specifications for Unique-ARs Timberwolf Handguard: Manufacturer: Unique-ARs Color: Cerakote Armor Black Finish: Anodized Fabric/Material: 6061-T6 Aluminum Gun Make: AR Platform Gun Model: AR-15 Gun Type: Rifle Handguard Type: Free-Float Gun Rail: Picatinny Included Accessories: Standard Inner Diameter: 1.75 in Outer Diameter: 2 in Quantity: 1 Features of Unique-ARs Timberwolf Handguard: Freefloat handguard made of 6061 T6 Aluminum Inside diameter 1.75in, exterior diameter 2in length 7in (actual length 6.815in +/) Compatible with any mil spec AR15 upper receiver or (DPMS Gen 1 Style) AR10 upper Mount accessories with UniqueARs proprietary picatinny rail only Package Contents: Unique-ARs Timberwolf Handguard AR-15 Barrel Nut Mounting Screws