ADCO Mag Loader, Fits Double Stack 380ACp Magazines, Fits Glock 42, Beretta 84, Bersa Thunder Plus, Browning BDA, Black ST5 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.