ADCO Mag Loader, Fits Most 9MM-45ACP Single Stack Magazines, Fits 1911, S&W Shield, Sig 220/938, Springfield XDS, Black ST3 Reloading magazines takes a lot of cheer out of a day of shooting fun. With the ADCO Super Thumb Loader" you should be in good shape but you might need to bring a little extra ammo so you don't run out.