Best Mossberg 500/590 Accessories and Upgrades of 2023

Best Stock:
Magpul - Mossberg 500 SGA Buttstock

The Magpul brand Mossberg 500 SGA Buttstock certainly deserves the honor of being named best stock on the market. Not only is it adaptable with 500 models, but it will also work with 590 models.

This is designed to be a customizable stock that will allow the user to adjust to their individual needs; even Magpul knows that no size will fit all. At least, when we think about a customizable stock, that's the conclusion we arrive at. The M-Lok Forend is lightweight and also adaptable with 500 and 590 models that have 7 ⅝" action tube assemblies.

If you're looking for a stock that will better support your current Mossberg or if you need one for your building project, we highly recommend the Magpul Mossberg 500 SGA Buttstock for its adaptability and ability to customize to fit the exact needs of the shooter.

Bottom Line

One of the greatest features of this stock and part of what makes it the best is its customizability. This is excellent for those who want a shorter reach, such as female shooters. Plus, you’ll have no trouble making sure that the stock will adapt with your Mossberg, regardless if it is a 500 or a 590. It is for these reasons that we choose the Magpul as the best available stock. For every “size” that fits every shooter, this is the stock to have.

Best Sight:
TRUGLO Muzzle-Brite Xtreme with Ghost Universal Sight

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Taking home the honor for Best Sight for a Mossberg 500/590 is the TRUGLO Muzzle-Brite Xtreme with Ghost Universal Sight. This is a CNC-machined sight that comes with both front end and back end sights. These come with red and green colored lights to ensure that your sight is much sharper in color compared to factory or stock grade sights that are bland and lack color.

Regardless of whether you use a red or green color, your ability to hit your targets with such accuracy and precision will be upgraded considerably. If you're looking for a sight that can be easy to adjust for the sake of windage and elevation, the TRUGLO is your choice. This comes with hardware that will allow you to easily install the sight on your Mossberg.

If you’re building a Mossberg, the superior precision and accuracy offered by this sight will serve you well. The same goes if you’re looking for a good upgrade or replacement sight for your currently existing Mossberg. The red or green lights are perfect for a sight, especially for those who have failing eyesight.

Bottom Line

There's a reason why we chose the TruGlo sight over all the others on the market. Yes, even the ones that have tritium included. The TruGlo has a bright enough light to ensure that you’re able to see the sights, which will, in turn, provide you with the best aim possible.

While tritium will do its job effectively, the added light will aid the eyesight of older shooters. Just because your eyesight is getting worse doesn't mean that there isn’t a sight out there that can help you. At the same time, this sight is the one you want as the ultimate upgrade from stock iron sights.

Best Barrel:
Mossberg - Barrel, 20"

For the best Mossberg barrel, we’ve chosen a Mossberg 20-inch barrel. This will fit a Mossberg 500 or 590. Whether you’re using a Mossberg for hunting or for home defense, this barrel will serve you reliably and effectively.

In addition to being able to handle Mossbergs that can hold eight rounds (or 13 rounds if you’re using mini-slugs), this barrel is long enough to support impressive shot velocity. It is crafted from heat-shielded materials and is designed to be resistant to rust and corrosion, so this barrel will last you a long time if you clean it on a regular basis.

This barrel will also work with most sights (front sights in particular). Of course, if you’re looking for the best Mossberg sight, you should have an idea of which one to get by now.

Bottom Line

The Mossberg 20" barrel is recommended as our choice because it is the perfect length you'll want in a barrel, assuming that you hold the velocity of your shots to a high standard. Velocity makes a significant difference in terms of timing. You want to hit your shot exactly where you want it.

If the velocity of your shot is slightly slower, it may not hit your target in the intended area. It may be a little off, but this may not be a problem if you're hunting. So long as you pull off a good kill shot, a tiny amount of velocity lost usually isn’t a big deal.

Best Pistol Grip:
Mossberg Flex Synthetic Pistol Grip Black for Flex 500/590

Our top choice for best pistol grip goes to the Mossberg Flex Synthetic Pistol Grip for 500/590. Made from polymer and finished in black, this grip will give your Mossberg that aesthetically pleasing yet rugged look. In order for this to be used, you’re going to need a flex stock adapter.

We recommend finding one that will best fit a Mossberg 500/590 before you make a purchase. This is an easy to install pistol grip, so if you have a lack of gunsmithing skills, you can breathe a sigh of relief knowing that it won’t be too difficult of an install.

Bottom Line

Simply put, you probably won't find a good grip quite like this one for your Mossberg. Polymer is an excellent material to have when you want a grip that won't let you down in situations where you need your gun the most, including home defense and competitive shooting situations.

Being able to have complete control over your Mossberg is key when you fire each shot. Lack of control will throw your shot off course. So, if you're looking for a good grip that will absorb a good deal of recoil and allows you to maintain control of your Mossberg when your life or the competition is on the line, you'll definitely want to consider this Mossberg grip.

Best Heat Shield:
Mossberg Heat Shield for Model 500/590

Our choice for the best heat shield comes to us from none other than Mossberg themselves. Obviously, this product will fit all 500 and 590 models. It is easy to install and will function just fine with a Mossberg that has either an 18.5 or 20-inch barrel.

The Mossberg heat shield will not only protect your hands from burning from a hot barrel, but it will also give your barrel the appearance of a tactical-style rifle. If you properly mount this onto your gun, you'll have no problems with it sliding and shifting.

Bottom Line

Unless you can find a better heat shield for your Mossberg 500 or 590, this is perhaps the best on the market. Whether you’re building a Mossberg or upgrading an existing one, it’s important to include a heat shield to it.

Some folks say that you don’t have to install a heat shield on your gun. In my experience, even veteran shooters forget to handle their firearms properly at times. When that happens, we pay the price for it. To prevent such harm from befalling you, we strongly encourage that you install a heat shield. You’re unlikely to find a better and more effective heat shield than the Mossberg.

Best Sling:
Blackhawk Black Shotgun Sling

Our best choice for a sling that will match perfectly with your Mossberg is the Blackhawk Shotgun Sling. First off, you'll notice that it has shell pockets that will hold extra ammo. You'll be able to carry with you 15 additional shells.

You can fully adjust this sling so that it fits snug and perfect. Never again will you have to worry about the sling slipping off your shoulders and causing your rifle to fall on the ground. To ensure the best in durability, this sling is made with high-quality nylon. The spring hooks will attach to any sling swivels.

So, if you're looking for a decent looking sling that won't slip and won't let you down, the Blackhawk is no doubt the perfect choice. Even better, it's good to have something that will allow you to carry shells, given that your pocket probably isn't the best place to store your shells.

Bottom Line

One of the major features that stuck out with this sling is its ability to adjust according to a shooter's own personal needs and comfort. This is obviously not a one size fits all sling. Whether you’re tall or short, skinny or overweight, you will find a way for this sling to fit you perfectly while you're out and about with your Mossberg.

Best Recoil Pad:
Mossberg Flex Recoil Pad Black Rubber

Our choice for best recoil pad goes to none other than the Mossberg Flex Recoil Pad. This is an interchangeable pad that is easy to install on your Mossberg 500 or 590. Plus, with one press of a button on your stock, you’ll be able to attach it or detach it to your stock. This recoil pad is made from black rubber, so it will have the ability to absorb a good deal of shock that is produced from recoil.

Bottom Line

No Mossberg is complete without having a recoil pad added to it. And we couldn’t find anything that stacks up when absorbing recoil and giving you a maximum amount of control over your gun. Since it’s made from rubber, the amount of shock it has the ability to absorb is ridiculous.

To top it off, it’s easy to install and uninstall. So, you can be able to attach it on the fly if you feel like you have less control over your gun without it. With that in mind, you might want to consider this your best option in terms of a recoil pad.

Best Muzzle Brake:
Carlsons - Long Beard Turkey Choke Tubes

Our best muzzle brake for the Mossberg 500 or 590 comes to use from Carlsons. The Long Beard Turkey Choke Tube is designed to produce the best shooting patterns when you’re firing your Mossberg. If you want the tightest shooting groups and longest downrange possible for your Mossberg, you’d be crazy to pass up on a muzzle brake like this.

This is the perfect muzzle brake for those who use their Mossberg for hunting purposes. While it is mostly designed for turkey hunters, it wouldn’t hurt just to give it a whirl while you’re out hunting for partridge or small game. This is designed to reduce recoil and muzzle jump and is finished with a non-reflective blued finish for rust and corrosion resistance.

Bottom Line

While this is designed to be a muzzle brake for turkey and small game hunters, this is the best one we can come up with for a Mossberg 500 or 590, due to its ability to provide you with the tightest shot groupings that a Mossberg-compatible muzzle brake can offer.

Even for distances like 15, 30, or even 50 yards, your jaw will drop in amazement based on the performance alone. We hope that this will allow you greater control over your Mossberg and won’t move side to side or jump at the muzzle at every shot.