Magpul Hunter X-22 Stock for Ruger 10/22 An ergonomic, full-featured Stock for the ubiquitous ruger10/22rifle; drop-in design compatible with all factory Ruger 10/22 .22 LR receivers; no gunsmithing Necessary Features an ergonomic grip, adjustable length of pull and comb height to fit a wide variety of shooters; reinforced polymer construction for strength and durability Multiple sling mounting options, a non-slip rubber butt-pad, and m-lok slots for accessory attachment Reversible barrel tray ensures proper fit with factory pencil profile as well as heavy bull barrels; optional cheek riser kits to raise cheek height 0.25", 0.50", or 0.75" Compatible with all capacities of factory Ruger 10/22 magazines; 60 degree grip angle from bore axis