Ruger Precision Rimfire Rifle - 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.