Loading Tool and Lanyard for Single Stack .22LR MagazinesEliminate the trouble with loading with this simple speed loader tool for single stack . 22 magazines that have a follower button. This simple gadget will easily slip over the magazine helping hold down the button on the side. Comes with a lanyard to easily locate this in your range bag. If you are loading a lot of ammo for plinking or out for a practice session, this is a great addition that will save your thumbs! Supported Models: Ruger Mark IV