Mossberg 590A1
The 590 family's heavy-duty option: longer 8+1 tube and ghost-ring sights for faster aiming.
Who it's for
- Premium: about $910 list price from the maker.
- Pump-action: cycles almost any 12-gauge load you feed it, as long as you work the pump fully every time.
- High capacity for its type: 8+1 (tube).
Specs
Straight from the maker's product page[1]. "Not listed by maker" means the maker doesn't publish that number.
| Maker | Mossberg |
| Model used for specs | 51663 (590A1 – 9 Shot, 12 ga, 20", ghost ring) |
| Action | pump |
| Gauge | 12 |
| Chamber | 3" |
| Barrel length | 20" |
| Capacity | 8+1 (tube) |
| Overall length | 41" |
| Weight | 7 lb |
| Length of pull | 13.87 (fixed) |
| Stock | Synthetic (black) |
| Sights | Ghost ring |
| Choke | Cylinder bore |
| Receiver | Not listed by maker |
| Finish | Parkerized |
| Maker list price | $910 |
Sister SKU #51660 is identical in listed specs but has a bead sight and lists at $861. Weight listed as '7' with no unit.
Features (from the maker)
- Mossberg says the 590A1 meets MIL-SPEC 3443G and is its most durable pump-action
- Heavy-walled barrel
- Metal trigger guard and safety
- Clean-out magazine tube
- Drilled and tapped receiver; Parkerized finish
Set it up
Gear that fits most home-defense setups. Check fitment for the exact Mossberg 590A1 model you buy.
Weapon-light mount
You can't identify a target you can't see.
AMMOSide-saddle shell carrier
Extra shells on the receiver.
CARRYTwo-point sling
Hands free when you need them.
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Compare with
Maverick 88 Security
Mossberg's budget Maverick line in a home-defense trim — the lowest list price of any shotgun on this list.
FROM $390 LISTWinchester SXP Defender
Winchester's pump in a Defender trim with an 18-inch barrel — an affordable alternative to the Mossberg and Remington pumps.
FROM $592 LISTMossberg 590
A straightforward 590 pump with a 6+1 tube and bead sight — simple, affordable and easy to set up for home defense.
Sources
Last checked October 18, 2026. Spotted something out of date? Send a correction.