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There is a reason the 590A1 shows up in military armories and patrol vehicles all over the world. It is the pump-action that passed the military's mil-spec 3443 endurance testing, and Mossberg did not cut corners to get there. You get a heavy-walled 20-inch barrel, a metal trigger guard and metal safety button where lighter guns use plastic, and a parkerized finish over the barrel and receiver that shrugs off rough handling and weather. This model, part number 50768, holds 8+1 with 2.75-inch shells and chambers up to 3-inch magnums when you need heavier payloads.
The XS ghost ring setup is one of the best sighting systems you can put on a defensive shotgun. The large rear aperture is fast up close, and the AR-style front post gives you a precise aiming point when you stretch slugs out farther than a bead ever could. Both are adjustable, and the receiver comes drilled and tapped if you want to add an optic down the road. The synthetic stock carries four extra shells on board, so you have 13 rounds on the gun before you touch a sidesaddle or bandolier.
Older 590A1s left you hunting for aftermarket solutions to mount a light, which is close to mandatory on a defensive shotgun. This version solves that with M-LOK slots on both sides and the bottom of the forend, so a weapon light or hand stop bolts right on with no gunsmithing.
Underneath it all is the same action Mossberg has refined for decades: dual extractors, twin action bars, positive steel-to-steel lockup, and an anti-jam elevator that keeps cycling smooth under stress. The ambidextrous tang safety sits right under your thumb no matter which shoulder you shoot from, and the clean-out magazine tube makes maintenance simple. At around 7 pounds with a cylinder bore choke, this is a purpose-built defensive shotgun that will outlast just about anything you feed it.
The 590A1 is the beefed-up, duty-grade version of the 590. It swaps the polymer trigger guard and safety button for metal parts, uses a heavy-walled barrel, and wears a parkerized finish. It is the configuration built to pass military mil-spec 3443 testing, which is why it is the version carried by military and law enforcement units worldwide.
Yes, it has a 3-inch chamber and handles both 2.75-inch and 3-inch 12 gauge loads. Keep in mind the 8+1 capacity is based on 2.75-inch shells; you will fit fewer rounds in the tube with 3-inch magnums. The cylinder bore barrel patterns well with buckshot and shoots slugs accurately with the ghost ring sights.
That is exactly what this model was set up for. The forend has M-LOK slots on both sides and the bottom, so you can attach a light, hand stop, or sling mount directly without adapters or gunsmithing. M-LOK accessories are sold separately.
Yes. The receiver comes drilled and tapped, so you can install a rail or optic mount without modification. That said, the adjustable XS ghost ring and AR-style front sight combo is fast and accurate on its own, and many owners run it as-is.
| UPC | 015813507684 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 50768 |
| Action | |
| ATF Type | Shotgun |
| Barrel Finish | Black Parkerized |
| Barrel Length | 20" |
| Caliber/Gauge | 12 Gauge |
| Capacity | 8 + 1 |
| Chokes Included | Cylinder Bore |
| Color | Black |
| Length | 42.75 |
| Model | |
| Package Height | 7.75 |
| Package Width | 2.25 |
| Product Type | Shotgun |
| Safety | Ambidextrous Top Tang |
| Shipping Weight | 9.8 |
| Sights | XS Ghost Ring/AR Style |
| Sights Type | Adjustable Sights |
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