Maglula ltd. Mag Loader/Unloader, Lula, Works with Ruger 10/22, Factory Magazines, 22LR, Black LU30B Since 2001" Maglula has manufactured professional military-grade tools for loading and unloading magazines. These products save valuable time at the range" field" armory and prevent pain associated with loading and unloading magazines. They also prevent damage to the magazine lips" therefore reducing weapon jams.