A magazine loader for loading bullets in a magazine is presented, the magazine loader comprising a body including a first opening for inserting bullets in the magazine loader and a second opening for loading bullets in a magazine, when the magazine loader is used in conjunction with the magazine, a plurality of vertical channels inside the body for receiving bullets therein, a dented member including a series of raised portions sized and designed for selectively locating and aligning the bullets of the lower row of bullets in a loadable row of bullets by preventing the bullets in the loadable row of bullets to move upon vertical pressure of additional bullets located in the plurality of channels and an actuator for moving the loadable row of bullets out of the magazine loader through a magazine receptacle.