Check the listing for details. Speed Loader for Ruger Mark IV 22 45 Magazines Black 22LR 22 LR Ammo Free Ship. Condition: New. Listed at 10.95 USD. Free ShippingRuger Mark IV Factory Magazine Speed LoaderFor use with the factory original Ruger Mark IV magazinesThis will not work with Pro Mag magazinesProudly made in the U.S.A. by military veteransMagazine not IncludedNo More Sore FingersThis loader has the extra-large, thicker finger grips, for easier loading. No more sore fingers from grabbing the tiny little slide grip that is on the factory magazineSimply place it over the magazine and press down with booth fingers. The thicker / wider finger grips insure a non-jamming easy sliding loading operation.This high-quality loader is colored with an easy to see bright Black color, that contrasts well with the Ruger magazine.Black in color, so any carbon, or residue stains will not showSatisfaction Guaranteed