Mossberg 590A1 Special Purpose Parkerized 12 Gauge 3in Pump Action Shotgun – 20in – Mossberg now offers civilians 590A1 Special Purpose models built to the same rigorously-tested specifications demanded by those in uniform. Specifications that include a heavy-walled parkerized barrel, receiver-mounted safety, anti-jam elevator, dual extractors for reliable feeding, and positive shot shell extraction and ejection. Stock choices include a 6-position adjustable tactical stock. Every Mossberg 590A1 Special Purpose model features a drilled and tapped receiver, factory-ready for Picatinny rail, scope base or optics installation.
- Category : Tactical Shotguns
- Action : Pump
- Gauge : 12 Gauge
- Barrel Length : 20.0″
- Capacity : 9+1
- Chamber : 3″
- OAL : 41″
- Weight : 7.25 lbs
- Stock Description : Synthetic
- Metal Finish : Blued
Buy Firearms Online – Reliable & Affordable
This Mossberg 590 Pump 12 Ga 20″ HB 3″ GRS, Black Synthetic Stock Black, 8 rd Mossberg is ideal for shooters looking to buy guns online with confidence. Built with precision engineering and tested performance, it’s a top-tier choice whether you're looking for home defense, sport shooting, or a trusted everyday carry.
Why Choose the Mossberg 590 Pump 12 Ga 20″ HB 3″ GRS, Black Synthetic Stock Black, 8 rd Mossberg?
- ✅ Quality guaranteed by top firearm manufacturers
- ✅ Ships fast across the USA
- ✅ Legal compliance and background-check ready
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- 🔁 30-day return policy for unused, unmodified items
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| Classification | Firearm |
|---|---|
| Manufacturer Number | 51663 |
| Brand | Mossberg |
| interest | Hot Deals |




