Capacity: 25 rounds; For Ruger 10/22 rifles & carbines; One piece injection-molded housing allows complete disassembly for cleaning and maintenance; Replaceable nylon feed lip insert, with patent pending feed control spring; Housing, feed lip insert, follower & base plate are all constructed of a proprietary impact modified glass filled DuPont Zytel based polymer; Magazine & feed control springs are made from heat treated chrome silicone wire; Includes the Nomad sleeve to give the appearance of a 5.56mm box magazine; The Nomad sleeve is for use with the Nomad stock only; The sleeve is removable enabling the AA922 magazine to be used in all Ruger 10/22 stocks with the sleeve removed; Limited Lifetime Warranty