Video: Cleaning Handguns Press the play button (►) above to start the video. Video Transcript Cleaning Handguns Transcript Cleaning Handguns Make sure you won’t have any distractions. Use eye protection. WAIT! Remove ammo from the area. Make sure the gun is unloaded. Check the owner’s manual for instructions. Clean the barrel from the breech end. Remove excess grease and oil. Reassemble the gun. Put the gun away. Store your gun in a locked location when you are done.