Mags Caps Three Pack. The caps fit all high capacity magazines plus the factory magazines made for the Ruger 10/22 including the new Ruger BX-25 Magazine. The Mag Caps fit over the end of your magazines keeping them clean when not in use. The Mag Caps protect the lips of the magazine from damage. If you keep a spare magazine in your pocket it will be clean and ready to go. There"s no wrong way to put the Mag caps on. They fit tightly in either direction, with a virtual waterproof seal, but are easily removed. Made from santoprene thermoplastic rubber, they are flexible and tough. This is a great little item for those of us that like to keep things clean. This little honey will fit all the Ruger 10/22 long rifle mags. Snug fitting cap off your mags today! Order a three pack today!