It makes a very capable, very reliable, waterfowl gun. If dirt or grease gets in there, the locking lug won't seat and will block the firing pin. My Remington 870 Tac Express has an awesome peep sight straight from the factory, is there a quality one for the Mossberg 500? This was not a problem when we were shooting at clays and could leave it offbut definitely a sticking point, so to speak, in the field where we needed to get the gun into action quickly. The problem lies in folks who leave off the washers assuming they don't count for much. 2. plastic trigger guard breaks, expensive to fix. Probably the detent ball is stuck. Another tip on 500's is to make sure you have the safety in the off (fire) position when you replace the trigger assembly. For a better experience, please enable JavaScript in your browser before proceeding. The durable matte black oxidized finish makes the button looks aesthetically pleasing and imparts longevity to it. Forum. Firearms cleaning tips: How to disassemble Mossberg shotgun - Police1 Fouling can build up in there and stop the pin short. This issue is not all that uncommon with the 500 series and it's one of the known weaknesses of the Mossberg safety. Unfortunately, it is poorly executed. Copyright 2023, NDZ Performance. And really more than that since the safety is functioning properly now. 1. Looks nice too! Its inexpensive, it works, and with accessories and extra barrels and chokes it can be tailored to do anything you need a shotgun to do, from dropping a duck to smashing a clay to defending your home. Now at the range, no problem. Such as tasks which are performed to render the gun safe. It will never be as slick as say a Remington 870, Winchester 1300, or Ithaca M37 so don't expect that. Any issues, concerns or problems you may have with your mossberg 500 pump action; this is a thread for troubleshooting. Although the company offered some bolt-action shotguns, in 1960, it made a bold decision. I suspect they will take care of it. They offer semi-automatic, pump action, and over/under shotguns for sale. Finally, place the new safety button in the same position, push it down, and tighten the screw. Come join the discussion about optics, gunsmithing, styles, reviews, troubleshooting, accessories, classifieds, and more! The Mossberg 500 is a pump action shotgun while the Mossberg 590M is a semi-automatic shotgun. NDZ Performance Enhanced Safety Switch for Mossberg 500 590 835 930 Shockwave 12/20 Gauge Aluminum - Choose Color. Mine was the same and very gritty, I put a drop of oil top and bottom and worked the safety a few dozen times and it was good to go. That sticks the stock bolt into the path of the safety connector and blocks the trigger from being pulled. For more detailed instructions, you can use this video below. Using a plastic thumb switch is a poor idea with a safety of this design. It was made to compete with the 870 in price or even undercut it a little. MGW offers replacement stocks, forends, barrels, sights, recoil pads, choke tubes, pins, springs and other small parts for this tried-and-true firearm. It functions reliably and is a proven design, both in the field and in combat. View important firearm safety messages, warnings, notices and recalls for Mossberg Products. I was unable to get a suitable bearing immediately, so I cut one of the beads from a standard lighting pull-chain and used that until I could get the proper size solid bearing.