Winchester Repeating Arms Magazine, 22LR, 10 Rounds, Rotary, Fits Winchester Wildcat/Expert, Matte Finish, Black and Red 112028022 The Wildcat/Xpert magazine features a lightweight polymer body and metal feed lips for long service life and reliable ammo feeding. The rotary design is proven and holds 10 rounds in a compact size. For Wildcat autoloading rifle owners, the integrated bolt stop automatically activates after the last round has been fired to lock the bolt open for faster reloading.