DuPont Extreme Temperature Glass Reinforced Polymer 6-position collapsible butt stock Folding butt stock One 4-inch picatinny rail on bottom forend Four 2-inch picatinny rails on sides and top of top cover Blank covers for unused rails Removable, adjustable cheek rest Non-slip removable rubber butt pad Additional ventilated forearm and top cover Ergonomic, textured pistol grip Three sling swivel studs Easy drop-in installation Scratch resistant Weatherproof For Ruger® 10-22® rifles Lifetime manufacturer's warranty Ruger® 10-22® owners, look what you can do to upgrade your beloved 22. The Advanced Technology Ruger® 10-22® Six Position Folding Stock is perfect for the advanced Ruger rifle owner. This drop-in replacement rifle stock offers a 6-position collapsible butt stock that can fold flat to the left side of the rifle for operation in either position. Want to attach a light to your rifle? There is one 4-inch picatinny rail on the bottom of the forend and four 2-inch rails surrounding the front of the top cover, making attachments versatile. For any rails not in use there are blank covers to protect your hands from the sharp edges. Both the cheek piece and the non-slip rubber butt pad can be removed and the cheek piece is fully adjustable. You have to feel the comfort of the textured pistol grip to believe it. Three sling swivel studs are placed so that any type of sling, carry strap, or combat sling can be attached. The easy drop-in installation includes a 6-degree tube drop adaptor for use with the rifle's iron sights. Scratch resistant and weatherproof the matte black folding stock with grip is made from DuPont’s Extreme Temperature Glass Reinforced Polymer specifically for the Ruger® 10-22® rifle and comes with a lifetime manufacturer's warranty. The Ruger® 10/22® Strikeforce Stock will not accommodate rifles equipped with bull barrels.