Includes: Top & Bottom rail sections, 4 Allen screws, Allen wrench Materials: 6061 Aircraft Grade Aluminum Compatibility: AR-15 Rifles with delta ring and front end cap installed Weight: 12 oz Length: 6.7 in Height: 2.5 in Internal Diameter: 1.7 in Color: Desert Tan Warranty: Lifetime View Installation Guide Our two piece drop-in carbine length AR-15 quad rail handguard is a quick and easy install on any carbine length AR-15 rifle platform in minutes. Crafted from aircraft grade aluminum, both sturdy and lightweight. Standard picatinny rails allow the mounting of tactical accessories such as bipods, flashlights, and sights. Also available in Black and Flat Dark Earth.