The Best Mossberg 500 and 590 Upgrades

confession clock : I love shotguns .
There is equitable something about delivering what ’ s best described as a “ cargo of lead ” with each pull of the trigger .
Plus, the shotgun just so happens to be the most versatile weapon in my arsenal .
Mossberg 590 with custom forendMossberg 590
With a single 12-gauge pump grease-gun, I can hunt deer, birds, and bears. I can defend my home or film skeet.

A shotgun is a do-it-all kind of weapon, a long as it ’ second at close scope .
One of my favorite mod pump-action shotguns comes from the Mossberg 500 series — the Mossberg 590. The Mossberg 500 serial and I go back a long, long direction .
Mossberg 590A1Mossberg 590A1
Over the years, I ’ ve swapped some things out on my faith 590, upgrading it here and there .
And I ’ thousand here to share some of my front-runner accessories and parts so you besides can take your Mossberg to the next level .
so let ’ s experience started .

Best Mossberg 500 Upgrades

1. Knoxx Breachersgrip Gen III

In most cases pistol fascinate entirely shotguns breastfeed. They are atrocious to shoot, difficult to control, and fill very recess roles .
very few exploit well…but the Knoxx Breachersgrip Gen III from Blackhawk Industries is the exception .
The Blackhawk Knoxx Beachersgrip Gen III on the Author's MossbergThe Blackhawk Knoxx Beachersgrip Gen III on the Author’s Mossberg
The Knoxx Breachersgrip works with the 590, 500, and Mossberg Shockwave .
The Shockwave is an odd artillery legally .
I won ’ thymine dive into the details, but it must remain over 26 inches to be a non-NFA detail. This traditionally means you have to use the include Shockwave Raptor grip .
PGO Firearms Mossberg Shockwave 590Shockwave 590
I made a big bet when I got the Blackhawk Knoxx Breachersgrip Gen III. ( To my ATF agents and forum lawyers I barely attached a Mossberg 18.5 edge barrel I had on the gun before installing the grip. I don ’ thymine even joke about NFA violations. )

The Breachersgrip is a recoil-reducing pistol bobby pin designed for short shotguns used in breaching operations. It greatly reduces felt recoil and makes PGO shotguns comfortable .
I have put some filthy rounds through guns with this bobby pin, including powerful PDX vaulting horse and ball slugs. I felt about nothing .
It turned a 12-gauge powerhouse into something close to a .45 ACP from a 1911 .
Full View of the Author's Mossberg with the Knoxx BreachersgripFull View of the Author’s Mossberg with the Knoxx Breachersgrip Recoil reduction is crucial for more than keeping your wrists from aching. With this grip, I can confidently aim the shotgun and shoot faster and more efficiently with it .
The Breachersgrip is big for replacing standard Mossberg JIC pistol grips, or those found on cruiser models. Most importantly the Breachersgrip from Knoxx and Blackhawk is one way to tame the Shockwave .
Check out more of our front-runner grips ( including recoil-reducing ones ) in Best Mossberg 500/590 Stocks .

2. Magpul MOE Shotgun Forend

Magpul SGA furniture is fantastic for shotguns, and like most Magpul gear it ’ s extremely high gear choice and modular .
The Magpul SGA Mossberg 500/590 MOE Pump allows you to add stuff lone where you need it .
The Author's Magpul MOE Shotgun PumpThe Author’s Magpul MOE Shotgun Pump You can attach M-LOK or MOE accessories immediately to the pump or attach rails to accommodate any accessory that mounts to Picatinny rails. This allows the easy mounting of lights, lasers, and flush chainsaw grips .
The pump doesn ’ thyroxine overlap the telephone receiver so it doesn ’ t intervene with slope saddles if you want one. besides, it looks cool as hell .
To mount it to a short-barreled shotgun or firearm you have two options .
Magpul MOE Shotgun Pump with RailsMagpul MOE Shotgun Pump with Rails option 1 is to Dremel the pump to fit the shortstop action tube. It ’ s easy but takes a bite of time and the necessary tools .
option 2 is an adapter from Hogue. This makes the Magpul MOE Shotgun pump compatible with shorter action tubes .
And don ’ thyroxine forget some M-LOK Rails to mount your darling accessories .

3. Magpul M-LOK Vertical Grip

If rock candy a Magpul forend, a Magpul M-LOK Vertical Grip is the perfective accession .
Why ? Because with a vert fascinate you are a lot less likely to short stroke the shotgun .
You get a very solid bag and a stable chopine .
Magpul M-LOK Vertical Grip on the Author's MossbergMagpul M-LOK Vertical Grip on the Author’s Mossberg To effectively mitigate kick back, the best method acting is the push-pull — pushing ahead with the fire hand and pulling rear with the pump hand .
It ’ s a lot easier to pull on a upright grip without worrying about your bridge player err .
Since the M-LOK grip mounts directly to the Magpul pump it ’ s not going to slide off the pump either .
On Mossberg 500/590s with pistol grips, a vert handle adds a set of manipulate to the gun. It makes it easier to aim, and helps prevent getting an eye full moon of shotgun .
What do you think of Magpul ’ second products ? Rate them below !

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4. XS Big Dot Front Sight

Night sights can make a big remainder in low-light fritter performance. If you ’ re like me and however rely on the boomstick for family defense you want to see your sights .
The XS Big Dot front sight is a combination day and night sight that replaces your bitty bantam bead. It ’ s a massive, high visibility movement sight that ’ s easily to see regardless of the time of day .
The Author's Own Mossberg 590 and XS Big Dot Front SightThe Author’s Own Mossberg 590 and XS Big Dot Front Sight This sight stands eminent enough to co-witness with my chosen ocular and ocular rail .
XS Big Dot Front Sight in the DarkXS Big Dot Front Sight in the Dark At night it glows bright and you ’ ll have no issue getting that rock-solid front man sight concentrate .
The XS Big Dot is a must-have even if you rock an eye .

5. Ergo Tactical Stock Adapter

The Mossberg 500 ’ second aftermarket is quite big, but it ’ mho nowhere near angstrom large as the AR-15 ’ second.

Some of the best stocks and pistol grips I ’ ve ever used came from ARs, and the ability to adapt them to my favored pump shotgun was a boom .
The Ergo Stock Adapter is merely that .
Stock, Grip, and Stock AdapterStock, Grip, and Stock Adapter This small, low-cost part allows me to well add my chosen AR-15 pistol bag, buff tube, and stock to my Mossberg 500 and 590 .
It attaches in about a minute, giving you blink of an eye access to a multitude of system options, including the ability to add a brace to a Mossberg Shockwave .
It ’ second besides low-cost, which is always nice .

6. Blue Force Gear Vickers Sling

When it comes to sling choice for any weapon, I ’ thousand pretty damned biased. I like my Vickers Blue Force Gear slings.
I own a standard-issue, an AK limited edition, a Vickers One sling, and even one of the rare Vickers Medic slings .
Blue Force Gear Vickers SlingBlue Force Gear Vickers Sling
The two-point Vicker Tactical sling from Blue Force Gear is my all-time favorite. What makes it interest is the rapid adjustment check. A flying pull back or forth of this tab key tightens and loosens the slingback .
This allows it to be tightened down when climbing, crawling, or running and then bam, immediately loosened for shooting and manoeuver .
The Author Using the Blue Force Gear Vickers SlingThe Author Using the Blue Force Gear Vickers Sling The quick alteration check allows for easy adjustment and control over your weapon .
While traditionally found on a carbine, there ’ mho nothing stopping it from being an excellent Mossberg 500 sling .

7. Opsol Mini Clip

The Opsol Mini Clip is one of the coolest little gadgets you can add to a Mossberg 500 series shotgun .
Opsol Mini Clip and Aguila Mini ShellsOpsol Mini Clip and Aguila Mini Shells It ’ s a drop-in, drop-out upgrade that allows you to reliably use those Aguila mini shells .
Those mini shells don ’ deoxythymidine monophosphate always run super faithfully in shotguns, but this arranger makes them run like a dream in the Mossberg 500. In a criterion 5-shot tube, you can load nine rounds of the Aguila miniskirt shells .
Aguila Mini Shell Loaded into Mossberg 590Aguila Mini Shell Loaded into Mossberg 590 This is the best $ 15 I ’ ve ever spent on a shotgun — particularly for those shooting Mossberg Shockwaves .

8. Hornady RAPiD Safe Shotgun Safe

Okay, so this international relations and security network ’ t an upgrade, but the Hornady RAPiD Safe is my personal choice for securing my self-defense shotgun .
You have three different options for opening this safe. The first is your traditional key and lock choice, which is great in casing the office goes out and batteries die .
The Author's Mossberg 590 Safely Secured in His Hornady RAPiD Safe Shotgun SafeThe Author’s Mossberg 590 Safely Secured in His Hornady RAPiD Safe Shotgun Safe The second method is through a four or six-digit combination .
The third is my favorite…the RFID key. These look like fiddling round chips but come outfitted with adhesive to mount to about anything .
There is besides an included watchband that has a built-in RFID chip. so, you can wear the wristband while sleeping and if something goes bump in the night you have the key fix .
Open Hornady RAPiD Safe Shotgun SafeOpen Hornady RAPiD Safe Shotgun Safe Though cool, it does offer limited security system to your gun, and shouldn ’ triiodothyronine be used for long-run storage .
One other downside is you can ’ deoxythymidine monophosphate ride an ocular and store your shotgun. While the trigger is exposed, the design of the safe makes it so the weapon must be stored with the action opened .
This means it ’ s nice and safe .
Check out more of our darling safe for long guns and pistols in Best Gun Safes .

9. Aridus Industries CROM

If you are running and gunning with a Mossberg 500/590 series shotgun with a set of ghostwriter gang iron sights, I ’ ll point you to the Aridus Industries CROM mount .
CROM stands for Co-witness Ready Optic Mount. This replaces your rear ghost ring and makes mounting an eye easy .
RMR Type 2 RM06 3.25 MOAIt uses a Trijicon footprint…gotta love those Trijicons.
The CROM utilizes a Trijicon RMR footprint, so you can Trijicon optics or a capital many alternatives that have settled on the Trijicon footprint .
Behind the ocular sits a ghost ring or, by choice, a Rob Haught expressive style capable rear sight. Either direction, you can mount a co-witness applicable view with a set of iron sights .
It ’ s a capital minimalist mount and perfect for those with ghostwriter ring sights and lets you get a rock-solid boldness weld before pulling the trigger .

10. KE Arms Optic Mount

Oh, you don ’ t have ghost rings…but you have a drop battlefront sight ? AND you want a low-profile optics climb ?
well, I gotcha covered, guys and gals. The KE Arms Optic Mount is a cheaper option that eliminates the inclusion of a built-in rear batch .
The KE Arms Optic saddle horse keeps things super low and dim-witted .

It bolts onto your pre-tapped Mossberg telephone receiver and provides respective different patterns for mounting a diverseness of optics — including the Aimpoint Micro series, Trijicon RMR, and the Deltapoint .
It ’ s a simple solution to a problem that eliminates the need for and the acme of a Picatinny rail .

11. Tactaload Flash 5 Stock

Stashing extra ammunition on your gun is a must, and one fresh way is the Flash 5 .
The Flash 5 is a Mossberg stock with a built-in magazine repositing choice that allows you to store five rounds of 12-gauge that range in size from 2.75 inches to 3.5 inches .
Tactaload Flash 5 StockTactaload Flash 5 Stock
Its storage setup is basically a magazine with a spring, follower, and spring-loaded toff to keep your shotgun shells in the stock .
Pull the shell from the stock, and the spring-loaded nub retracts and allows you to draw a shell for a quick recharge. The Flash 5 offers numerous advantages over the standard side-saddle .

  • Ambidextrous design
  • Faster tube reloads
  • Shells are entirely secure and protected from the elements.

Tactaload Flash 5 StockTactaload Flash 5 Stock
As a stock, it ’ mho besides great and gives you an adjustable length-of-pull exchangeable to the Magpul SGA store .
It ’ sulfur super comfortable, and provides a great cheek weld, and is bad as nails .

12. Streamlight TL Racker

Mounting a idle to a pump-action shotgun international relations and security network ’ metric ton easy .
A manual action makes arranging lights, imperativeness switches, and more unmanageable. however, Streamlight provides an low-cost, bright, and adequate to choice for shotgunners .
Streamlight TL RackerStreamlight TL Racker
The TL Racker replaces your pump with a system that integrates a clean into the design .
Two ambidextrous buttons make using it easy, and it provides 1,000 lumens of light with the iron of a push button .
Its bright white unaccented makes it easy to identify a terror and tosses a blind flannel light into the eyes of a threat .

13. Holosun 507C

I think the fiddling Holosun 507C might be the best shotgun optic on the market .
Why ? Well, it packs a multi-reticle system that utilizes three unlike reticles .
One includes a 32 MOA circle, and that circle is the identical best for shotgun. With the correct load, you can pattern your load to that circle at sealed ranges .
Holosun 507c Mini Red DotsYeah, I know…it’s on a Benelli M4, but you get the idea.
I use the 507C with my Federal FliteControl load, and I ’ ve patterned it at 5, 10, and 15 yards .
I know that within those ranges, no pellets will escape from the 32 MOA traffic circle .
This ensures I have full accountability of my bird shot pellets and know precisely where the shooting will land. It ’ south quite handy for precision-oriented shots.


The Mossberg 500 platform is well-proven, reliable, and as evidenced above, about infinitely upgradeable .
Mossberg Retrograde 590A1Mossberg Retrograde 590A1
You can tune and customize a Mossberg 500 about adenine much as you can an AR-15. So what are you waiting for ? Build the Mossberg of your dreams !

These are my favorite upgrades, but I want to know yours. For more general upgrades like lights…check out our Best Home Defense Shotgun Upgrades.

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