A Winchester legend is born. A new 22 rimfire autoloader like no other. Field removable lower receiver" ambidextrous controls" speed load magazine" striker fired" integral picatinny rails" rear barrel access for easy cleaning. Features include: Rugged polymer construction of the upper assembly" lower receiver assembly and ambidextrous skeletonized buttstock - 18" precision button-rifled chromoly steel barrel with threaded muzzle - Fully-adjustable ghost ring rear sight and ramped post front sight - Integral picatinny sight rail - Molded-in sling eyelets plus a picatinny accessory rail located under the fore-end tip - Dual ambidextrous magazine releases - Reversible manual safety button - Accepts Ruger 10/22 magazines.