Description
There is a reason the Mossberg 590 keeps showing up in patrol cars, armories, and bedside closets across the country. This 590 Tactical takes the platform's decades of hard duty use and puts it in a clean, no-frills package: an 18.5 inch cylinder bore barrel, a 3 inch chamber that also runs 2.75 inch shells, a 6+1 capacity magazine tube, and a simple brass bead up front that gets you on target fast at defensive distances.
Why the 590 Tactical Earns Its Keep
Inside, you get the features that built Mossberg's reputation. Dual extractors grab spent hulls with authority, twin action bars keep the pump stroke smooth and bind-free, and the anti-jam elevator feeds shells reliably even when you are running the gun hard. Positive steel-to-steel lockup ties it all together, and the 590 platform was built to meet military spec requirements, so this is not marketing talk. The tang-mounted safety sits right under your thumb and works identically for right and left handed use, which is one of those details you appreciate every single time you handle the gun.
Built for Real-World Duty
The black synthetic stock and forend shrug off moisture and rough handling better than wood ever will, and the matte blued finish keeps glare down while resisting corrosion. A rubber recoil pad takes the sting out of heavier buckshot loads, the forend has finger grooves for a solid grip when cycling the action, and sling swivel studs come standard front and rear. The 590's clean-out magazine tube with its screw-off cap makes deep cleaning simple, and it also means adding a magazine extension down the road is easy if you want more capacity.
Where This Mossberg 590 Fits
At 38.6 inches overall and around 6.3 pounds, this shotgun moves quickly through doorways and hallways without feeling like a boat oar. It is a smart choice for home defense first and foremost, but it pulls double duty as a truck gun, camp gun, or just a fun day at the pattern board. Point it, run the pump, and it goes bang. That is exactly what you want from a defensive shotgun.
Key Specifications
- Model: 590 Tactical
- Manufacturer Part Number: 50778
- UPC: 015813507783
- Gauge: 12 Gauge
- Chamber: 3" (also accepts 2.75" shells)
- Action: Pump Action
- Capacity: 6+1
- Barrel Length: 18.5"
- Choke: Fixed Cylinder Bore
- Sights: Bead Front
- Safety: Ambidextrous Top Tang
- Stock: Black Synthetic, Fixed
- Length of Pull: 13.875"
- Barrel Finish: Matte Blued
- Overall Length: 38.62"
- Weight: 6.3 lbs
What’s Included
- Mossberg 590 Tactical shotgun
- Magazine plug
- Owner's manual
- Cable-style gun lock
- Chamber flag
Frequently Asked Questions
What is the capacity of the Mossberg 590 Tactical 50778?
This model holds six rounds of 2.75 inch shells in the magazine tube plus one in the chamber for a 6+1 total. Unlike older 590 setups that used a shorter tube with an extension, this version uses a full-length 6-shot tube for a cleaner look. The clean-out cap on the end also makes maintenance and future extensions straightforward.
Can the 590 Tactical shoot both 2.75 and 3 inch shells?
Yes. The 3 inch chamber handles full-power magnum loads as well as standard 2.75 inch shells, so everything from light target loads to heavy buckshot and slugs will run through it. Keep in mind capacity drops slightly with 3 inch shells since they take up more tube space.
Does the Mossberg 590 Tactical have interchangeable chokes?
No, the 18.5 inch barrel is a fixed cylinder bore, meaning no choke constriction. That is the standard setup for a defensive shotgun since it patterns buckshot well at close range and safely handles slugs. If you want screw-in chokes for hunting or clays, you would need a different barrel.
Is the 590 Tactical good for left-handed users?
It is one of the better pump guns for lefties. The safety sits on top of the tang where either thumb can reach it naturally, rather than on the trigger guard like many competitors. Ejection is still to the right side, but that rarely bothers left-handed use in practice.




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