Ruger American Predator and Ranch stock upgrade; Reinforced polymer construction with Type III hard anodized, machine finished cast aluminum bedding block; High strength steel recoil lugs; Enhanced ergonomic design - Fully adjustable length of pull with included Spacers; Optional 0.00", 0.50", and 0.75" Cheek Risers available to adjust cheek weld (stock comes pre-fitted with 0.25" Riser); Bolt Action Magazine Well - Hunter American, STANAG included for reliable, detachable AR15 box magazine compatibility; Dimpled drill points for standard swivel studs; M-LOK slots on forend sides and bottom for a wide variety of accessory and sling mounting options; Push-button QD swivel compatibility in rear with optional Sling Mount Kits; Includes Stanag Magazine Well