Description
The Mossberg 590 Tactical Tri Rail Shotgun, 12g, 20″, 9 Shot, SpeedFeed Stock is a purpose-built, no-frills defensive shotgun. It delivers proven reliability and extensive accessory mounting options at a price point that’s tough to beat for serious home defense or tactical use. This model is drop-in ready for lights, lasers, and optics right out of the box, requiring no gunsmithing to set up a complete defensive system.
Key Features
- Tri-Rail System: Full-length Picatinny rail on top and two side rails provide unmatched mounting real estate for optics, lights, and foregrips.
- SpeedFeed IV Stock: Holds four extra 12-gauge shells in the stock itself for quick, integrated reload access.
- 20-Inch Barrel: Offers a balanced profile that’s maneuverable indoors without sacrificing too much velocity.
- 9-Shot Capacity: Holds 8+1 rounds of 12-gauge, giving you more shots before a reload is necessary.
- Proven 590 Action: Built on the rugged, military-proven Mossberg 590 platform known for its durability.
Specifications & Details
| Specification | Detail |
|---|---|
| Gauge | 12 Gauge (3″ Chamber) |
| Barrel Length | 20 Inches |
| Overall Length | 40.5 Inches |
| Capacity | 8+1 Rounds |
| Stock | SpeedFeed IV Synthetic |
| Sights | Bead Front (Rail for optics) |
| Weight | Approx. 7.25 lbs |
Look, the value here is clear. For under five hundred dollars, you’re getting a feature set that often costs a couple hundred more on other models. The tri-rail system alone is a significant upgrade over standard models, saving you the cost and hassle of adding one later. At $496.87, this sits in a sweet spot between basic pump-actions and premium tactical offerings. It’s available at firearms-missouri.com for Missouri residents and nationwide.
Who This Shotgun Is For
This is for the budget-conscious buyer who refuses to compromise on core tactical functionality. It’s ideal for a homeowner seeking a formidable, customizable defense tool without a four-figure price tag. It’s also a solid choice for a recreational shooter who wants a versatile, rugged platform for classes or range days. If you need a reliable workhorse that you can configure exactly how you want—light, red dot, sling—without breaking the bank, this is a top contender.
Pros & Cons: The Practical Tradeoffs
Pros: The accessory mounting potential is immense and immediate. The SpeedFeed stock adds practical, on-board ammo storage. Mossberg’s reputation for reliability is well-earned. The price is a major advantage for a gun this capable. The 20″ barrel is a great all-around length.
Cons: The synthetic stock and finish are functional, not fancy. The tri-rail adds a bit of weight and can be abrasive without gloves. Some may prefer a pistol grip stock, but that’s a personal and easily changed detail. It’s a tactical tool, not a showpiece.
Frequently Asked Questions
Q: Does the top rail interfere with the ejection port?
A: No, the rail is designed to provide a solid mounting platform while leaving the ejection port completely clear for reliable shell ejection. Optics like the popular Vortex Sparc or Holosun 403 series mount cleanly.
Q: Can the SpeedFeed stock be replaced with a different style?
A: Absolutely. The shotgun uses a standard Mossberg 500/590 receiver tang, making it compatible with a vast array of aftermarket stocks from brands like Magpul (their SGA stock is a popular upgrade) or Hogue. Swapping it is a simple process.
Q: What’s the real benefit of the 20″ barrel over an 18.5″ model?
A: You gain a slight increase in velocity and a fuller magazine tube capacity (8+1 vs. typically 5+1 or 6+1). The two-inch difference in maneuverability is minimal for most users, but the two extra shells could be critical. It’s a practical trade-off that favors capacity.
Ready to configure your own capable home defense platform? This Mossberg 590 Tactical Tri Rail represents a serious value, bundling essential features at a direct price. Check availability and start your purchase process today.


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