FEATURES -Black -7" long -5.5" tall -1.75" thick -For mil-spec receiver extension tubes -Made of a blend of glass infused polymers -Soft touch rubber overmolding -Limited rotation QD swivel attachment points on both sides for ambidextrous sling connection -Includes 2 buttpads: -A thicker convex shape (0.8") -A thinner concave shape (0.5")