Ruger Precision Rimfire Bolt Action, 17HMR, 18 Threaded Barrel, Black, Molded On-Piece Chassis and Adjustable Buttstock, Right Hand, 1 Magazine, 9Rd 08403 Bringing the big-gun experience to the rimfire world. Molded, one-piece chassis and adjustable buttstock assembly are manufactured with glass-filled nylon for strength, stiffness and stability, making a solid foundation for accuracy each and every shot. Adjustable buttstock features a flat Picatinny bag rider making it easy to affix a rear monopod. A molded-in window provides a tether point for your squeeze bag, and a metal QD pocket makes it easy to secure a sling. Quick-Fit adjustable Precision Rimfire stock allows length of pull and comb height to be quickly and easily adjusted to get proper fit over a wide range of shooter sizes, outerwear and shooting positions. Indicating marks molded into the chassis help you quickly return to a previous position.