Drop-in design compatible with all factory Ruger 10/22 Takedown; Unique locking interface to attach the barrel assembly to the stock body when being transported; Reinforced polymer construction for strength and durability; Ergonomic hand guard; Comes with interchangeable standard and "optic height" cheek risers; Optional QD sling mounting capability; Integrated storage compartment in the grip; Hinged storage compartment in the stock capable of storing up to 3 spare 10rd magazines; MOE SL nonslip rubber butt pad; Black Finish