The Troy Industries Battle Ax CQB Buttstock for the AR-15 features improved ergonomics, vital storage capacity and Battle Ready toughness. Created from advanced reinforced polymer to ensure strength and durability, the Troy Battle Ax CQB stock has a comfortable cheek weld which helps operators settle in quickly for rapid target acquisition. The stock collapses compactly and securely. The polymer butt plate opens to reveal storage capacity unmatched by any other stock on the market. Fits Mil-Spec receiver extension buffer tubes only, proudly made in the USA.