Wolf Performance A1 Complete Upper 12.5\" 5.56 NATO 1:7 Piston Driven

Wolf Performance Arms Offers Shooters the finest and most reliable AR-15 piston driven barreled upper produced in the world. The Wolf A1 upper features a short stoke piston system, unsurpassed durability and reliability for functioning parts and action while confidently maintaining performance under adverse weather and climatic conditions. Additionally the uppers have superior ergonomics for both comfort and tactical applications. The Wolf A1 upper is the premier choice when it comes to home defense, recreation, hunting, and tactical applications. For use in pistol configurations or with registered SBR lower receivers.