Carbon fiber reinforced polymer construction; Full length aluminum top rail; Picatinny rail height compatible with same-plane AR-15 flip-up sights; Four-position collapsible buttstock; Seven-position adjustable cheek riser; Four integral hard points for quick detach sling swivels; Removable recoil pad; Grip storage compartment; Unique spring-loaded filler to take up the gap between the trigger-guard and pistol-grip; Made in U.S.A.