In this video tutorial, viewers learn how to clean the barrel of an air pistol gun. Before you clean the barrel, make sure that the gun is unloaded and that there are no bullets inside. Using a rod, attach it a wire brush. Just open the barrel wide enough to get the rod in. Slide the rod in the barrel a few times. You can also use vfg quick cleaning pellets to clean the pistol. Simply load it as a bullet and shoot with it. This video will benefit those viewers who have a gun and would like to learn how to clean the barrel.