XTS KM12 Tactical Rail Black XTS KM12. Aircraft Grade 6061-T6 Aluminum Bead Blast with Type II Anodizing 1 Top Picatinny Rail 3 Keymod Rails Custom Installation required Specifications for XTS-KM12 Tactical Rail: Manufacturer: XTS Color: Black Finish: Bead Blast Fabric/Material: 6061-T6 Aluminum Gun Rail: Picatinny Gun Make: AR Platform Gun Model: AR-15 Length: 12 in 12 in Included Accessories: 3 Keymod Rails 1 Top Picatinny Rail Quantity: 1 Features of XTS 4in M-Lok Rail Piece 9 slots Aluminum construction for Mil-Spec Package Contents: XTS-KM12 Tactical Rail XTS XTS-KM12: KM12 Tactical Rail Black