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There is a reason the 590 keeps showing up in patrol cars, nightstands, and training classes decades after its introduction, and this Thunder Ranch edition leans into all of it. Developed alongside Clint Smith, president of the Thunder Ranch training facility, this 12 gauge takes the fundamentals that made the 590 a legend and adds the touches a defensive shotgun benefits from most. The receiver is cut for direct mounting of Shield RMSc-pattern micro red dots, so you can run a low-profile optic without tall mounts or clamp-on rails. Prefer irons? The fiber optic front sight picks up light quickly and gets you on target in a hurry.
The barrel and receiver wear a Patriot Brown Cerakote finish that resists corrosion and holds up to real handling, and the Thunder Ranch logo engraved on the receiver marks this as part of the collaboration. Underneath, it is all classic 590: non-binding twin action bars, dual extractors, positive steel-to-steel lockup, and the anti-jam elevator that keeps the action running smoothly under stress. The top-mounted safety sits right under your thumb and works the same from either shoulder, one of those Mossberg design choices lefties have appreciated for years. The clean-out magazine tube cap makes maintenance simple, and the receiver comes drilled and tapped if you want other mounting options down the road.
The black synthetic stock is set up with a compact 13-inch length of pull, which sounds like a small detail until you shoulder it. The shorter stock keeps the gun quick to mount, easier to manage with body armor or heavy clothing, and comfortable for a wider range of shooters in the household. The 3-inch chamber and cylinder bore barrel handle everything from light target loads for practice up to full-power buckshot. At 6.75 pounds with an 18.5-inch barrel, this is a shotgun that moves through doorways and hallways without feeling like a fence post. Pair it with a micro dot and a good sling and you have a defensive setup that would pass muster at the school it is named after.
The receiver is cut for the Shield RMSc footprint, so micro dots that share that pattern mount directly to the gun with no adapter plate or riser needed. That keeps the optic low enough to co-witness naturally with your cheek weld. The receiver is also drilled and tapped if you would rather run a rail or different mounting setup.
The magazine tube holds six 2.75 inch shells or five 3 inch shells, plus one in the chamber. That gives you 6+1 with standard defensive loads, which is right in line with other 18.5 inch barrel 590 models. The tube also has a clean-out cap, so maintenance is quick and simple.
The 13 inch length of pull is about an inch shorter than a typical field stock, and most people adapt to it fast. Clint Smith specified the compact stock because it mounts quicker, works better with layered clothing, and fits a wider range of body types. Bigger folks generally find it makes the gun faster to run rather than cramped.
Yes. The cylinder bore barrel with a 3 inch chamber handles birdshot, buckshot, and rifled slugs without any issue. Cylinder bore is the standard choice for defensive shotguns since it patterns buckshot well at typical indoor distances and shoots rifled slugs accurately. As with any defensive gun, pattern your chosen load at realistic distances before relying on it.
| UPC | 015813507813 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 50781 |
| Action | |
| ATF Type | Shotgun |
| Barrel Finish | Patriot Brown Cerakote |
| Barrel Length | 18.5" |
| Caliber/Gauge | 12 Gauge |
| Capacity | 6 + 1 |
| Color | BROWN |
| Length | 42.75 |
| Model | |
| Package Height | 7.75 |
| Package Width | 2.25 |
| Product Type | Shotgun |
| Safety | Ambidextrous |
| Shipping Weight | 8.2 |
| Sights | Fiber Optic Front Bead |
| Sights Type | Fixed Sights |
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