How to Reassemble the Mossberg 500/590 Shotgun

Learn how to reassemble the Mossberg 500 and 590 pump shotguns from a professional gunsmith at Brownells. This video is short, easy to follow and professional with no distracting music. The Mossberg 500/590 shotgun is a very simple pump action shotgun that is easy to maintain. Remember to clean it every 200 rounds as recommended by Mossberg. Best Gun Cleaner.