The Magpul Hunter American Stock is designed as a cost-effective upgrade for Ruger American Predator & Ranch rifle models equipped with an AR magazine compatible stock The Hunter American Stock with 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. Optional 0.00", 0.50", and 0.75" Cheek Risers (not included) are available to adjust cheek weld (stock comes pre-fitted with 0.25" Riser). The stock also comes M-LOK compatible to accept a broad range of accessories to enhance your s...