Mossberg 590M Shotgun 12ga 2-3/4″ Chamber 10rd Magazine(1) 18.5” Barrel Adjustable Stock Magpul MBUS Sights
$816.08
The Mossberg 590M shotgun features a 10-round detachable magazine, 18.5″ barrel, and adjustable stock for enhanced tactical performance and versatility.
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Description
Features:
- Ambidextrous AR-Style Rotary Safety Selector
- 10-Round Detachable Magazine
- 18.5" Barrel with Integrated Heat Shield
- Magpul MBUS 3 Adj Sights
- Enlarged Beveled Loading Port with Exposed Follower
- Flat Profile Trigger with smooth crisp break
- 5-Position Adjustable Stock w/MOE Pistol Grip Interchangeable Recoil Pad 2 QD Ports
- Top Picatinny Rail for AR-Style Optics
Specifications:
- Gauge: 12 Gauge
- Action Type: Pump-Action
- Chamber Size: 2.75"
- Usage: Security
- Barrel Type: Integrated Heat Shield
- Barrel Length: 18.5"
- Barrel Finish: Phosphate
- Choke: Accu-Choke System – Cylinder Bore Choke Installed
- Capacity: 10
- Length: 36.9"
- LOP: 12"-15.25"
- LOP Type: Adjustable
- Sights: Magpul MBUS 3 Adj Sights
- Stock: 5-Pos Adj Stock w/Interchangeable Pad MOE Pistol Grip Compact Forend (Black)
- Trigger: Flat Profile
- Safety: Rotary Safety Selector
- Weight: 8
Additional information
| Weight | 10.813 lbs |
|---|---|
| Dimensions | 46.750 × 9.000 × 3.630 in |
| Manufacturer | Mossberg |
| Capacity | 10 + 1 |
| Barrel Length | 18.5″ |
| Action | Pump Action |
| Finish | Matte Blue |
| Overall Length | 39.5″ |
| Caliber | 12 Gauge |
| Frame Material | Aluminum |
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About brand
BT Gun Company carries Mossberg long guns, magazines, barrels and choke tubes, and firearm parts and accessories. Available models include the MVP 7.62 NATO rifle, 590A1 and 990 Aftershock shotguns, 940 Pro Field shotgun, and 510 Mini .410. The selection also includes Patriot long-action magazines and grips, pads, stocks, and bipods.
Shipping and Delivery
PROCESSING & SHIPPING
Orders typically ship within 1–3 business days (Monday–Friday) after payment and all required documentation are received. Time to arrival after shipment depends on the carrier. Shipping method is at BT Gun Company’s discretion; ammunition and oversized accessories are charged at actual shipping cost. We do not ship to Hawaii or Alaska.
FIREARM TRANSFERS
- Firearms must ship to a licensed FFL dealer of your choosing — confirm with them first that they can accept the transfer.
- Your receiving FFL will need to email their license to [email protected] before we can ship.
- Inspect your firearm at your FFL’s location before signing ATF Form 4473 — once signed, the firearm is considered accepted.
You’re responsible for knowing the firearms laws in your state before ordering. For complete shipping, returns, and restocking-fee policy details, see our Shipping & Returns page.

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