I’ve gotten to play around with a lot of shotguns over the last year, ranging from compact bullpups to sleek waterfowl guns, but Mossberg’s new 940 Pro Tactical stands out as the highlight of the scattergun crop.

I had an annoying hole in my gun collection where a reliable semi-auto 12-gauge tactical shotgun belonged. Most were either outside my price range or didn’t fit my wishes for size, ergonomic controls, and proven reliability. 

Then the 940 Pro wandered into my hands for some testing.

Table of Contents

Video Review
First Impressions
Specs & Features
Shooting & Accuracy
Pros & Cons
Final Thoughts

Video Review


First Impressions

I’ve been itching to get my hands on the new 940 Pro Tactical since it rolled out last year. Mossberg put a lot of work into growing the 940 Pro line recently, which now includes everything from a long 12+1 shotgun for hunting snow geese to a compact turkey blaster complete with a micro red dot. 

Mossberg 940 Pro Tactical Shotgun
I was more than a little excited to finally get a chance to test out the new Mossberg 940 Pro Tactical with some friends on the range. (Photo: Paul Peterson/Guns.com)

All 940 Pro shotguns host enhanced controls and features. My first taste of what these guns have to offer was with the very long but potent 940 Pro Snow Goose, which was a blast to test but far too large for practical home defense or tactical uses. 

Related: Mossberg’s 940 Pro Snow Goose – High-Volume Firepower

The 940 Pro Tactical immediately struck me as a much wieldier gun, though it was still hefty and solid in the hand. I don’t normally use red dots on my shotguns. So, naturally, the first thing I did was turn on the Holosun micro dot and shoulder the shotgun. 

Mossberg 940 Pro Tactical Shotgun
Despite the fact the gun comes from a long line of hunting shotguns, this scattergun is clearly designed for close-range tactical use. (Photo: Paul Peterson/Guns.com)

I immediately wanted to kick myself for not trying a receiver-mounted dot on any of my previous test shotguns. The dot popped up quick and easy without appearing bulky or obscuring my view, and the angled recoil-absorbing rubber pad on the buttstock allowed the gun to rock into my shoulder nicely. Even though it comes from a long line of hunting and competition shotguns, the 940 Pro Tactical felt like a purpose-built fighter.

Specs & Features

Mossberg 940 Pro Tactical Shotgun
The 940 Pro Tactical has loads of features specifically meant to optimize it for its specific purpose. (Photo: Paul Peterson/Guns.com)

The most glaring new feature on the 940 Pro Tactical is the cut in the receiver for a micro dot optic. Mossberg ships the gun – if you pick the optic version – with a Holosun HS407K X2 on top. The Shield RMSc-pattern footprint is milled directly into the receiver, and the dot raises your eye alignment just slightly so you’re not forced to squish your face into the stock.

Mossberg 940 Pro Tactical Shotgun
A low-profile receiver-mounted micro dot is a key upgrade. (Photo: Paul Peterson/Guns.com)
Mossberg 940 Pro Tactical Shotgun
The dot slightly raises your eye line when shooting to make the gun a bit more flexible for tactical-type shooting situations. (Photo: Paul Peterson/Guns.com)

I personally loved shooting it with the dot. The Shake Awake feature brings the dot to life automatically when you move the gun. It also retains its previous brightness level and shuts off after a few minutes of inactivity. I have grown to despise most dots that require removal to change the battery, but the HS407K X2 has a side-loading battery that offers around 50,000 hours of life on the level six setting.

It was plenty bright even at high noon without a cloud in the sky. However, there’s also a bright fiber-optic front sight that you can still use directly through the low-profile dot. If you wanted to add something bigger than a micro dot, the receiver is drilled and tapped.

Like the rest of the 940 Pro line, the gun hosts an enlarged and beveled loading and ejection port, elongated elevator, anodized metal tube follower, enlarged bolt handle with aggressive texturing, and enlarged bolt release. The release doubles as a quick ejection button for unloading the seven-round magazine tube. 

Mossberg 940 Pro Tactical Shotgun
The loading elevator and port are oversized, and an anodized metal follower aids with reliable feeding. (Photo: Paul Peterson/Guns.com)
Mossberg 940 Pro Tactical Shotgun  
The bolt handle and release are both oversized. (Photo: Paul Peterson/Guns.com)

The barrel is threaded for Mossberg chokes. That might seem like a bit of overkill on a relatively close-range tactical shotgun, but there are a healthy number of tactical choke brakes on the market if you want something to help tame this stout little 12-gauge shotgun.

Mossberg 940 Pro Tactical Shotgun
Threading inside the barrel allows you to swap out chokes or add a choke brake. (Photo: Paul Peterson/Guns.com)

Here’s a quick breakdown of the basic specs:

Weight: 7.5 pounds
Length: 37 inches
Barrel Length: 18.5 inches
Barrel Finish: Matte blue
Choke: Accu-Choke System
Capacity: 7+1
Chamber: 3 inches
Trigger Pull: 4.6 pounds

There’s a lot to like about the light 4.6-pound trigger on this tactical gun. It offers a short, crisp break with an equally short reset. Frankly, the trigger is far faster than I can run it, and the trigger guard has a cocked indicator so you can see and feel that the gun is ready for action. 

I’m also a fan of Mossberg’s tang-mounted safeties, which are normally a plastic affair but the company opted for metal on this 940 Pro model. The design allows me to operate the safety while raising the gun to my shoulder without changing my shooting-hand grip.

Mossberg 940 Pro Tactical Shotgun
I love the metal tang safety, and the trigger is light and crisp. Note the small silver button that serves as a visual and tactile cocked indicator. (Photo: Paul Peterson/Guns.com)
Mossberg 940 Pro Tactical Shotgun
The gun is ready for a sling with a front and rear sling point. The front barrel clamp also has M-LOK slots for accessories like lights. Don't mind the scuffs of blue. Those wiped down easily and came from our time shooting on painted barricades. (Photo: Paul Peterson/Guns.com)

The magazine tube has an extension that is clamped to the barrel. The clamp itself has M-LOK slots for accessories with an ambidextrous sling mount. There’s an accompanying sling point on the rear of the stock. As a tactical gun, I expect there to be an option for a sling and the ability to add a light, and I was pleased Mossberg incorporated that feature up front. 

The internals are basically the same as the rest of the 940 Pro line, with a clean-running gas-vent system and corrosion-resistant parts and finishings. Finally, the length of pull is adjustable from 12.5 to 14.25 inches, and there is grip texture on the forend and semi-pistol grip. 

Mossberg 940 Pro Tactical Shotgun
There is texturing on the semi-pistol grip and forend. (Photo: Paul Peterson/Guns.com)

That texture is one of the few areas for possible critique I can find on the gun. The grip texture isn’t overly aggressive. I like it. It’s relatively grippy without causing abrasions during high-volume shooting, but I think I might prefer a bit more aggressive texturing. Then again, I could always add that on my own.

Shooting & Accuracy

Mossberg 940 Pro Tactical Shotgun
It’s a ton of fun to shoot, even if you are pumping more than 100 rounds through it in a day. (Photo: Seth Rodgers/Guns.com)

I’ve now put a mix of 400 12-gauge shells through the 940 Pro Tactical. That included 2.75-inch Federal Vital-Shok 1-ounce slugs, 2.75-inch Federal and Fiocchi nine-pellet 00 buckshot, 2.75-inch Federal #6 dove loads, 3-inch Migra #2/BB and #2/3 stacked shot shells, and even some extra-budget Herter’s #8 target loads. 

All my tactical and hunting loads operated without any issues in the gun. At 7.5 pounds unloaded, the gun is hefty enough for its size to help with recoil control. The squishy rubber pad on the buttstock does its job well to protect your shoulder. The only issues I ran into were consistently cycling the weaker target loads, which is not what the gun was designed to run in the first place. It would normally cycle a few shells before experiencing a stovepipe jam on the third or fourth shell.

Mossberg 940 Pro Tactical Shotgun
Loading is fast and easy with the enlarged loading port and elevator. (Photo: Seth Rodgers/Guns.com)
Mossberg 940 Pro Tactical Shotgun
The recoil pad does its job well and feels very positive in the shoulder. (Photo: Paul Peterson/Guns.com)

Overall, I found the reliability and controllability to be very appealing. The accuracy with the red dot was another win. Shooting as fast as I felt I could reliably hit a target at 25 yards with 00 buckshot, I was able to keep most of my pellets inside a 28-inch circle with little practice. 

Mossberg 940 Pro Tactical Shotgun
Here’s my eight-shot rapid-fire target at 25 yards. (Photo: Paul Peterson/Guns.com)
Mossberg 940 Pro Tactical Shotgun
The micro dot and front fiber optic actually work well together. (Photo: Paul Peterson/Guns.com)

I did turn the dot off to test the fiber-optic front sight. It was easy to acquire in bright daylight, though I do prefer using the dot. Still, it’s nice to have it as a backup that also uses the notches on the red dot as rear iron-style sights. The fiber-optic front sight can also be used if you need to get a quick general zero when setting up a dot on the gun. 

Pros & Cons


  • 7+1 capacity
  • Tang-mounted metal safety
  • Very nice trigger for a shotgun
  • Receiver cut for micro dot
  • Drilled and tapped receiver for other optics
  • Holosun HS407K X2 micro dot
  • Long battery life and auto on/off
  • Bright red fiber-optic front sight
  • Threaded for chokes
  • Enlarged loading and ejection ports, bolt handle, and bolt release
  • Easy to clean and maintain
  • Very reliable
  • Short for close-quarters work
  • Controllable recoil
  • Accurate and fast shooting
  • Sling ready with M-LOK up front
  • Adjustable length of pull
  • Comfortable rubber butt pad


  • Grip texture could be more aggressive.
  • Somewhat heavy for size at 7.5 pounds
  • Not ideal for weak target loads

Final Thoughts


Mossberg 940 Pro Tactical Shotgun
All in all, the 940 Pro Tactical is hard to beat for the money. (Photo: Paul Peterson/Guns.com)

I honestly struggled to criticize this gun. Since no gun is perfect, I feel like I’m forced to get a bit petty to find things I dislike. I could do with slightly more aggressive grip texturing, and the gun is rather heavy at 7.5 pounds despite being only 37 inches in length. If this gun was priced at significantly more than what Mossberg currently asks for it, I guess I would also expect a more solid/ruggedized stock. 

However, you could easily pay much more and get less from another semi-auto tactical shotgun that hosts fewer shells with fewer custom features. For anyone trying to fill a void in their gun collection that’s shaped like a reliable semi-auto tactical shotgun, the 940 Pro Tactical is very hard to beat for the money. Personally, I made this one a permanent member of my own collection. 

revolver barrel loading graphic