A magazine is a device that allows you to quickly load multiple rounds into firearms, particularly semi-automatic guns. Most of the time, rounds are inserted into magazines by hand, but you can speed up the process by using a clip. As we mentioned, the clip holds the rounds together, making it easier to insert them into the magazine for quick reloading and firing. Some firearms have internal magazines, while others have detachable magazines. When you take apart a magazine, you can see that the internal structure of the housing resembles a clip. Some guns, such as the AR-15, Glock handguns, Ruger guns, SiG, HK, and Smith & Wessons, can handle high-capacity detachable magazine attachments.