Designed as a cost-effective upgrade for Ruger American Predator & Ranch rifle models equipped with an AR magazine-compatible stock, the Hunter American Stock – Ruger American Short Action, STANAG Magazine Well features a fully adjustable length of pull, comb height, enhanced ergonomics, and reinforced construction. Constructed of reinforced polymer and an anodized aluminum bedding block with steel recoil lugs, the Hunter American Stock – Ruger American Short Action, STANAG Magazine Well requires no gunsmithing and is your true drop-in solution. Tune your rifle to fit your needs with shooter-focused ergonomics that allow LOP adjustments from 13.0″ to 15.0″ with the included .50″ spacers. The stock also comes M-LOK compatible to accept a broad range of accessories to enhance your shooting experience.