Quad rail handguard, 6.7" in length, fits perfectly on any carbine length AR-15 model * Equipped with 4 Picatinny rails, for attaching tactical accessories such as bipods, flashlights, or laser sights * Two piece drop-in design, an easy install with included Allen wrench * Aircraft grade aluminum construction, only 12.3 ounces in weight, sturdy and lightweight * Includes 4 snap-on ladder rail covers for improved grip and comfort