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[Review] Mossberg 930 SPX Tactical: Super Reliable

Are semi-auto shotguns inherently less reliable? We hands-on review the Mossberg 930 SPX Tactical with plenty of pictures and videos of it in action.

In my years of law enforcement, I never went without a shotgun, and it was always a pump-action.

The thought process in my esteemed career for so long has been relegated to trashing semi-auto guns as unreliable. 

Mossberg 930 Tactical
There’s a whole lot of sexy wrapped up in a package like this.

If you want to destroy a gun’s chances in law enforcement (most markets I imagine), simply call it unreliable.

No one wants to imagine a scenario where they pull the trigger in a desperately justified situation only to have nothing happen. Worse still, the gun malfunctions and you are stuck with an expensive impact tool.

Thankfully, I have just enough rebellion within me to cast these old reservations to the side and test standards out for myself.

After all, things can change. Can’t they?

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Hang on as I go through everything you ever wanted to know about the Mossberg 930 SPX Tactical shotgun!

Table of Contents


Semi Vs. Pump

The 930 Tactical 8-shot SPX is a rather long name that gives us some clues as to the intended use. The first stop, of course, is that it is a gas-operated, semi-auto shotgun.

What does this mean?

It’s the kind of shotgun you load up by putting multiple shells in the magazine (tube). Once you rack the charging handle, you can pull the trigger and fire repeatedly without doing anything else. The shotgun harnesses the gas from the shell to cycle the action.

There are also inertia driven semi-autos, but that’s a different article. 

Pump guns require you to cycle the gun—pulling the handle back ejects the spent shell and loads a fresh one—every time you fire, until empty. Historically, pump guns have a better reputation for feeding and shooting reliably.

Mossberg 930 Tactical charging
With a massive charging handle, Picatinny rail, large bolt-release button, and protected ghost-ring sight, this is not your daddy’s shotgun!

Tactical Vs. Hunting

The moniker “tactical” is in this name and it’s a doozy. What does “tactical” mean? It depends on who you ask, but to me, it’s pretty specific.

I like features that enable me to smoothly operate the gun (training and familiarity are givens) efficiently and effectively in high-stress situations. 

For example, this shotgun has a pistol grip. I like it for maneuvering the still relatively long gun. The controls are large, particularly the charging handle and bolt release.

This is important because things go to hell when your heart rate gets high in exciting situations (like a shooting). We lose fine motor control around 115-120 beats per minute though training—if present—factors heavily.

heart rate gif
Translation: bad things happen when the squiggly line squiggles too fast

The bolt release button and charging handle are quite robust on this gun. The knurled handle isn’t ridiculous but it is designed with gripping and ripping in mind.

By way of comparison, think about the relatively smooth and recessed (think snag-free) controls on a hunting shotgun.

This is because geese aren’t armed and coming for you. These items are of incredible importance as they directly affect how reloads go.

it's coming right for us
Hunting shotguns would look more like tactical shotguns if prey shot back.

Some other nice tactical features are the Picatinny rail on the receiver, allowing you to mount whatever close engagement optic you might prefer.

Additionally, the ghost ring sights (with fiber optic) were an extremely nice touch. From the first glance, pulling this gun out of the box, it was ready for a mortal engagement and I do not say that lightly. 

Mossberg 930 Tactical Front Sight
The front, fiber optic sight is great in daylight, easy to pickup through the rear ghost ring.

Show Vs. Go

I would not be worth my salt were I to simply be wooed by tactical features. Nay good reader, I headed to the range with a veritable cornucopia of shotgun shells to test how the gun might perform.

I had read varying experiences amongst different users with various Mossberg 930 models, but I placed all this aside with my reptilian/law enforcement reservations about semis, donned my science cap, and started shooting.

I had the 930 for several months and took it to the range five times.

Some of the features sang out as soon as I started loading. Turning the shotgun over on its side, it seemed loading was optimized. Dropping a shell into the open chamber, I cleared my hand and hit the large bolt release button allowing it to slam home.

Simply sliding the next shell in, pushing the elevator down, then forcing the follower down the tube, felt smooth. In fact, it felt like it was built to run fast if I could muster the acumen. 

Mossberg 930 Tactical Loading Port
This gaping maw made loading a breeze.

Mounting the shotgun to my shoulder everything felt comfortable, the ergonomics felt good. The pistol grip was perfect for my wrist, having a good angle and three large finger grooves.

The forend had a semi-grippy texture and its length offered multiple options for hand placement due to shooter size or position, meaning shooters could choke up closer to the receiver or stretch out as they saw fit.


Mossberg 930 Tactical Ammo!
When shooting 2 ¾ inch shells, the 930 Tactical SPX has a capacity of 7+1. For 3-inch shells, its 6+1.

I did not know how much punishment I would be putting myself through during the testing of this gun so I decided to pace myself.

Some 12-gauge shells aren’t so bad, while others are absolute shoulder busters. I used a wide array of offerings, wanting to test reliability as well as the feel of the gun.

I started with multiple loads of bird shot shooting 2 ¾ inch 8s and 9s with no real surprises. Everything fed, fired, and cleared nicely. The impact of these shots was minimal.

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However, I moved up to 3-inch magnums in #4 shot and found myself smarting after a couple magazines of these. Plus, the barrel started to heat up pretty significantly.

Regardless, the shells ran great. Incidentally, magazine capacity for the 930 I tested is 7+1 for 2 ¾-inch shells, 6+1 for 3-inch. I then proceeded to a few different brands of buckshot and eventually ran some rifled slugs.

These hit pretty hard but the damage downrange was impressive. I repeated this a few times before upgrading the gun.

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Mesa Tactical

I really wanted a light on the gun and could not find an option that replaced the forend with an integrated weapon-light version (like I’ve seen for the ubiquitous Remington 870).

Mesa Tactical had a magazine clamp that fits between the barrel and magazine tube. It has a QD mount on one side and a Picatinny rail on the other. I was happy to install this and stuck a Streamlight TLR-1 on the pic-rail.

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While I wouldn’t call this solution perfect as far as ergonomics go, it was a lot better than what I started with. I added a sling and went back to the range.

Mossberg 930 Tactical Sling
The Mesa Tactical Magazine Clamp solved two riddles, sling and light attachment.

There may be gun writers out there that have all the answers. I’m not one of them.

During my fourth trip to the range I was blasting away with the 930 when the Mesa Tactical forend clamp went flying. I suspect the 3-inch magnums may have had something to do with it, but more than likely it was user error.

Mossberg 930 Tactical Light
StreamLight TLR-1 for turning night into day

I reached out to the company and got the torque settings (11-inch pounds is the official answer, so 13 is even better) and returned to the range somewhat humbled. 


I shot like a man possessed, only setting the gun down long enough to open a new box. I liked how the sling allowed me to hang the gun and work on my reloads. I really started to wonder how long it would be before I experienced some kind of issue.

I realized I had surpassed 300 rounds and hadn’t even cleaned the Mossberg. I had heard gas guns could be finicky or temperamental—not this one. The dual-gas vent system was solid.

I measured the trigger on a Lyman Digital Gauge and it averaged 4.6 pounds. There was roughly 1mm of creep, a slight build, then a snap. Reset was a little longer but gave a mild click I could feel.

Overall, it was great. Perhaps most importantly, if called upon to do so, I could get 8 rounds downrange in under 2 seconds. That is a frightening amount of firepower in a short amount of time. The trigger works well. 

I walked out to 50 yards and shot for accuracy, very pleased at how I was able to use the fiber-optic sights to empty a mag in my man-sized target. I was continually impressed with the accuracy, but more importantly, the reliability of the gun.

Through 350 shotgun shells of varying brands and size, I had no malfunctions. 

The Scientific Method

I remembered I had set off with the notion semi-auto shotguns were not reliable and deemed to challenge that.

About halfway through I thought I might want to clean the gun and give it a fair shake. Because I had not experienced the slightest issue, I persevered instead.

When the smoke cleared, I had fired off a shoulder-blistering amount of shells without a single malfunction. The Mossberg 930 Tactical 8-shot SPX chewed them up and kept spitting them out.

12ga Shotgun Shells, Opened (L to R: Bird, Buck, Slug)
12ga Shotgun Shells, Opened (L to R: Bird, Buck, Slug)

I had to admit, were I still out on the road today, I’d be comfortable trading up the pump gun for this shooter. 

By The Numbers

Reliability: 5/5

I have to guess I’d run into some issues at some point. Few firearms are made to withstand complete neglect. I feel like 350 shells without a cleaning is outstanding. I shot quality brands like Remington, Winchester, and Federal, but I used a wide array of loads of various power.

Ergonomics: 4/5

Some people don’t like pistol grip shotguns and I get it. When learning to shoot long distance, I was taught to use a relaxed grip with my trigger hand. It applies to shotguns too.

I genuinely like the ergonomics of this gun and I think most people would be able to use it fairly well.

There are versions of the 930 Tactical with a more normal grip, if that’s what you’re into.

Best Budget Semi
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Accuracy: 5/5

Some folks think a shotgun sprays like a ruptured firehose but this is not the case. Being able to hit center mass on a man-sized target at 50-yards was easy with this gun. It could probably do even better.

Customization: 3/5

Here I’m a little disappointed. It seems like there are more versions of the 930 out there than you can shake a stick at.

However, a shotgun, especially one designated for tactical scenarios, should be able to accept a flashlight, and maybe a sling. Thanks to the folks at Mesa Tactical, you can do both. 

Value: 4/5

The MSRP on this shotgun (specifically, the 930 Tactical – 8 Shot SPX – Pistol Grip in tan) is $1,078.00. I found a few online that were a couple of hundred dollars cheaper but took note that it wasn’t by much.

I don’t feel there is a great deal of overvalue like you sometimes see when there is a huge disparity between MSRP and actual market pricing.

This shotgun is accurate, powerful, and reliable. 

at GrabAGun

Prices accurate at time of writing

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Overall: 4/5


At $1,000 plus you might be tempted to stop and weigh out your options. That’s a lot of cheddar. But the Mossberg 930 SPX Tactical is super reliable, ergonomically decent with its various models, and accurate. It really depends on what role you have in mind. To my estimation, this gun is designed for tactical applications.

I could easily envision it in service with a SWAT team but it could also serve as a terrifying home defender.

With a street price in the 800s, this is a lean mean shell flinging machine.

at GrabAGun

Prices accurate at time of writing

Prices accurate at time of writing

Available Coupons

Thanks to Liberty Firearms Institute for handling my transfers.

What do you think about Semi Vs. Pump? Maybe you’d take an O/U or S/S instead? Let us know in the comments! For more awesome semi-auto shotties, take a look at the Best Semi-Automatic Shotguns [Buyer’s Guide]!

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23 Leave a Reply

  • Commenter Avatar
    John David Kemp

    Great review, well said, well spoken. I'm going to pick one up for coyote hunting when they run in close.

    May 21, 2023 10:32 am
  • Commenter Avatar
    Jim Edge

    I own one. It is a beast with one mission: stop anything inside 25 yards. I put a six round side saddle on the receiver so if shtf I’m as defensive as I can be. DO NOT use reduced recoil rounds. This bad boy needs shock and shoulder.

    January 5, 2022 6:36 pm
  • Commenter Avatar

    I bought one and love it.

    July 6, 2020 12:27 am
    • Commenter Avatar
      JR Arevalo

      Hi Jeff, what loads were 100% reliable? any mods yet? Did you clean it before taking it to the range? I ordered mine a month ago from my lgs but it has not arrived yet. Would you trust your life with your 930 spx?

      July 6, 2020 3:33 am
  • Commenter Avatar

    In your opinion is saving for an M4 a better decision or is this a platform that you could live with and not regret because of the cash saved?

    June 27, 2020 2:14 pm
    • Commenter Avatar
      Sean Curtis

      Daim, this gun is solid. I'd happily plug it in as a home defender or even take it out on duty were I still on the road.

      Life is usually long though. Get the Mossberg then start saving for the M4.


      July 1, 2020 10:55 am
  • Commenter Avatar
    Thomas M.

    This was the first shotgun I ever bought and shot. It is the favorite of my arsenal (along with 590A1 and 590M). I like the lower felt recoil and 'shoot as fast as you can pull the trigger'. Thanks for the well written and thorough review.

    June 25, 2020 8:45 am
    • Commenter Avatar
      Sean Curtis

      Thank you Thomas!

      July 1, 2020 10:53 am
  • Commenter Avatar

    Does it run mini shells? 15 shots is better than 8, especially with reduced recoil and at short range the loss of velocity does not make a big difference.

    June 22, 2020 8:11 am
    • Commenter Avatar
      Sean Curtis

      Sorry Fred, I didn't have any to try out and did not test the 930 with mini shells.

      June 22, 2020 8:27 am
    • Commenter Avatar

      Semi-auto shot guns typically won't cycle Mini's or low powered loads effectively, as they do not generate enough inertia to properly cycle the bolt. Bad luck.

      June 24, 2020 3:48 pm
  • Commenter Avatar

    What type of shot do you shoot at 50 yards? And what kind of spread if it is bird shot?

    June 21, 2020 10:27 pm
    • Commenter Avatar
      Sean Curtis


      Fair question. I honestly did not pattern the gun. I had a man-sized target and it was obliterated by the end of each range session. I actually had to bring my own to the range because the owner doesn't allow shotguns on his cardboard targets. On the other hand, it is a "bore cylinder" choke according to the website. My main focus was slugs and buckshot, and these held pretty tightly.

      June 22, 2020 7:46 am
  • Commenter Avatar

    As an owner of a 930 SPX, the exact one you tested, I can and will attest to its awesomeness. I will also say as far as reliably is concerned ask any 3 gunner who bought one or a JM Pro and they will tell you to buy the OR3GUN marine spacer tube, and at the least the captured recoil spring plunger if you wanna have it go bang every time. I also swapped in a SBE gas piston and the gun is basically invincible. Only downside is its a smooth bore with no provision for chokes
    Glad I bought it years ago and didn’t pay nearly as much as the author, but owning it and shooting it I’d still pay a grand. Good article about a great gun !!

    June 21, 2020 8:30 pm
    • Commenter Avatar
      Sean Curtis

      Thanks for your comments! I'll check these add-ons out!

      June 22, 2020 7:46 am
  • Commenter Avatar
    Bull o' the Woods

    Amen on 20 gauge. The Mossberg SA-20 Railed, Model #75780 is pretty darn close. Still needs a magazine extension which may exist as an aftermarket part, but I have not researched it. Not original to me, but worth repeating: "Anyone who can shoot a 12 gauge can shoot a 20 gauge, better."

    June 21, 2020 8:20 pm
  • Commenter Avatar
    Bryan Smith

    I love mine also, and I don't think I've ever nodded my head so much while reading a gun review before.

    June 21, 2020 6:44 pm
    • Commenter Avatar
      Sean Curtis

      Thanks Bryan, glad it resonated with you! It's a great gun, as you already know.

      June 22, 2020 7:47 am
      • Commenter Avatar

        Thank God!! Sean i was afraid that i might have made a mistake ordering this gun(vs a FN SLP mk 1/ or a Beretta 1301) from my LGS 3 weeks ago it has not arrived yet, i browsed thru some old forums in the net and found some people complaining of some issues they had with the 930 platform. But more and more after watching and reading reviews of this gun and looks like Mossberg has iron out the kinks and OR3GUN has found some mods to address this. Myself has ordered the marine tube spacer the grey multi purpose teflon model just in case. After reading your review it gave me more peace of mind. I hope my 930spx arrives already.

        June 22, 2020 7:58 pm
  • Commenter Avatar

    I know Mossberg makes the SA-20 in 20 gauge (duh), but I would love to see them make a 930SPX 20 gauge. I have shoulder damage and find that I can practice longer, and I'm faster with the 20. Plus, I find that I can carry more rounds. They make the 590 pump in 20 gauge and the Shockwaves are 590's in 20, and 410, so a SPX in 20 shouldn't be too far of a stretch

    June 21, 2020 6:33 pm
    • Commenter Avatar
      Sean Curtis

      Tom, I totally agree. A 20 gauge as a defensive weapon is still terrible to behold and at minimal recoil. Who knows what the future holds? I'm glad to see Mossberg is still trying new models.

      June 22, 2020 7:49 am
  • Commenter Avatar

    Some believe semi-auto shotguns are unreliable. I have a Remington 1100, bought in 1963, that has around 15,000 rounds fired through it without a SINGLE failure to feed or fire... Even the Marines are changing to a semi-auto-- Benelli M4 Super 90.

    June 21, 2020 6:11 pm
    • Commenter Avatar
      Sean Curtis


      I have a Belgium made Browning A5 that has been extremely reliable over the years. I didn't really let that factor into my thinking because it is 1) enormous 2) a hunting gun 3) inertia or recoil operated. I'm glad I challenged my own beliefs and learned how outstanding this shotgun truly is.

      June 22, 2020 7:54 am
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