A speedloader is something used to load many bullets into a firearm quickly. These include revolver speedloaders, magazines, and stripper clips.
Images for kids
A Smith & Wesson Model 66 revolver, displayed with two speedloaders
Full and half moon clips loaded with .45 ACP ammunition
UpLULA universal pistol magazine loader
An 1858 New Model Army black-powder cap-and-ball revolver replica. The cylinder has been removed from the frame.