Maglula LULA loader & unloader for Kel-Tec PMR-30 / CMR-30 .22WMR magazines. Simple to use Eliminates thumb pain and injury Eliminates wear on feed lips Prolongs magazine life Lightweight and fit in pocket Reliable in all weather Durable reinforced polymer Note : Due to a thin wall of .22WMR round case, minor deformation to the case may form by the rim pressure of a new loaded round (against magazine's spring force). This can happen during hand-loading and by using magazine loaders. Try using rounds of higher wall thickness and avoid using rounds where dents are substantial. Contact the ammo manufacturer for safety instructions.