Mossberg 590S Optic Ready Shotgun 12ga 3″ Chamber 7rd/8rd/13rd Magazines 20″ Barrel Black
$559.29
The Mossberg 590S is a versatile 12-gauge pump-action shotgun that can cycle 1.75″, 2.75″, or 3″ shells, allowing for a customizable shooting experience. With a 20″ barrel and the ability to use 7rd, 8rd, or 13rd magazines, this shotgun is ideal for home defense and tactical applications.
28 in stock
For the ultimate in shooting flexibility the all-new 590S Series cycles 1.75″ 2.75″ or 3″ shells. Pick one shotshell length for specific shooting needs or simultaneously load any combination of those shell lengths. The choice is yours with the 590S. Features standard Mossberg Pump-Action Features: Dual extractors twin action bars positive steel-to-steel lockup and anti-jam elevator provide smooth operation. Other features include top-mounted ambidextrous safety matte blue metal finish magazine clean-out tube with cap and a logo-engraved receiver.
Features:
- Optic-Ready
- Cycles 1.75” 2.75” or 3” shells interchangeably
- No need for mini shell adaptor
- Redesigned Elevator Bolt Slide and a new Energy-Absorbing Bumper
- Standard features include dual extractors twin action bars steel-to-steel lockup and ambidextrous safety
Specifications:
- Gauge: 12 Gauge
- Action Type: Pump-Action
- Chamber Size: 3" Chamber with 1.75" Short Shell 2.75" and 3" Cycling Capability
- Usage: Security
- Barrel Length: 20"
- Barrel Finish: Matte Blue
- Choke: Accu-Choke System – Cylinder Bore Choke Installed
- Capacity: 13
- Length: 41"
- LOP: 13.87"
- LOP Type: Fixed
- Sights: Bead Sight; Optic-Ready
- Stock: Synthetic Stock M-Lok Forend (Black)
- Weight: 7.25
| Weight | 9.000 lbs |
|---|---|
| Dimensions | 43.000 × 8.000 × 3.000 in |
| Manufacturer | Mossberg |
| Barrel Length | 20″ |
| Caliber | 12 Gauge |
| Capacity | 13 + 1 |
| Action | Pump Action |
| Finish | Matte Blue |
| Overall Length | 41″ |
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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