Winchester Repeating Arms Wildcat, Semi-automatic, 22 LR, 16.5 Threaded Barrel, Synthetic Stock, Accepts Ruger 10/22 Magazines, Adjustable Ghost Ring Rear Sight, 10Rd 521101102 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 - 16.5" 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.