Winchester Sxp Shadow Marine Defender 12Ga 3 18
$437.63
$509.99
(You save
$72.36
)
- Caliber-Gauge:
- 12 Gauge
- Barrel Length:
- 18"
- Barrel Length Range:
- 18" to 18.99"
The Winchester SXP Shadow Marine Defender 12GA 3" 18" is a purpose-built pump-action shotgun engineered for home defense, security work, and close-quarters tactical use. Built on Winchester's proven SXP platform, this 12-gauge defender combines aluminum alloy construction with marine-grade corrosion resistance, making it a reliable choice for demanding environments. The 18" barrel delivers the maneuverability you need in tight spaces while the 3" chamber accepts standard and magnum ammunition loads for flexible firepower options.
The Shadow Marine's composite stock and textured pistol grip deliver positive control even in high-stress situations or wet conditions. Side-mounted Picatinny rails let you mount lights, lasers, or optics without gunsmith work—critical features for home defense and low-light scenarios. The receiver comes drilled and tapped for scope mounting if you want to go that route. Winchester engineered this gun with user customization in mind: two interchangeable comb pieces and two length-of-pull spacers ship with the shotgun, so you can dial in fit and sight picture for your frame and shooting stance before you ever head to the range.
The matte chrome barrel features a hard chrome chamber and bore, built to withstand repeated heavy use and corrosive environments—the "Marine" name isn't marketing fluff. Pump-action operation is fast, reliable, and proven across decades of professional and civilian use. Whether you're setting up a home defense battery, outfitting a security detail, or adding a proven close-quarters tool to your gear, the SXP Shadow Marine Defender delivers Winchester quality in a no-nonsense 18" package.
Key Features
- Aluminum alloy receiver with matte black finish resists corrosion in harsh conditions
- Matte chrome 18" barrel with hard chrome chamber and bore for durability
- 12-gauge, 3" chamber pump-action shotgun for versatile ammunition compatibility
- Black composite stock with textured pistol grip for confident handling
- Two interchangeable comb pieces and two length-of-pull spacers for custom fit
- Side-mounted Picatinny accessory rails for lights, lasers, and optics mounting
- Receiver drilled and tapped for scope base installation
Specifications
| Gauge | 12 |
| Chamber | 3" |
| Barrel Length | 18" |
| Action Type | Pump (Slide) |
| Receiver Material | Aluminum alloy |
| Receiver Finish | Matte black |
| Barrel Finish | Matte chrome |
| Stock Material | Black composite |
| Stock Configuration | Pistol grip |
| Accessory Rails | Side-mounted Picatinny |
| Scope Base | Drilled and tapped |
| Included Accessories | Two interchangeable comb pieces; Two length-of-pull spacers |
Frequently Asked Questions
What ammunition does the Winchester SXP Shadow Marine Defender accept?
The 3" chamber accepts both standard 2.75" and 3" 12-gauge ammunition, giving you flexibility in load selection for hunting, defense, and range use.
Can I mount optics or accessories on this shotgun?
Yes. The receiver is drilled and tapped for a scope base, and side-mounted Picatinny rails are included for mounting lights, lasers, or other tactical accessories without modifications.
Is this shotgun suitable for home defense?
The 18" barrel, pump-action reliability, and included Picatinny rails for tactical lights make the SXP Shadow Marine Defender a practical choice for home defense. The adjustable comb and length-of-pull spacers also help you achieve a proper fit for accurate shooting.
Does the stock fit all shooters, or can it be adjusted?
Winchester includes two interchangeable comb pieces and two length-of-pull spacers with the shotgun, allowing you to adjust drop and length of pull to match your physique and shooting preference.
Firearm Shipments:
To buy rifles or shotguns, you must be 18 years old, and for handguns, actions, or receivers, the minimum age is 21. By placing an order for this firearm, you confirm that you are the legitimate transferee/buyer, meet the legal age requirements, and comply with all Federal, State, and local laws and regulations necessary to purchase this firearm.
We only ship firearms to valid Federal Firearms License (FFL) holders. At checkout we provide a FFL locator for your convenience.
We will need a copy of the FFL’s license to facilitate the process, kindly request your dealer to email us a copy of their FFL, as we cannot dispatch the firearm until we receive this document. It is imperative for the buyer to choose their FFL dealer, ensure they are willing to facilitate the transfer, and have them email their FFL copy to BOSQUE Outdoors. To avoid any confusion, the customer's name or order number must be mentioned in the email containing the FFL.
Email: [email protected]
- Prior to placing an order, it is the buyer's responsibility to understand and adhere to their state's firearm regulations.
- The buyer should verify with their receiving dealer that the chosen firearm is legally permissible in their state.
- The buyer is accountable for any transfer fees or background check charges imposed by the receiving dealer. If the designated dealer declines to accept the firearm delivery, the buyer assumes responsibility for shipping costs to retrieve the firearm and resend it to an accommodating dealer.
- Handguns will be shipped using air transportation, while long guns can be shipped using ground methods. If your order includes a mix of firearm and non-firearm items, BOSQUE Outdoors will send the firearm(s) to your selected FFL dealer and the remaining non-firearm items to your billing address.
- Firearms cannot be returned to BOSQUE Outdoors; please contact the manufacturer for warranty claims.
- Firearms refused by the FFL Dealer or which cannot be transferred due to a failed background check are subject to a $75 restocking fee plus 10% of the purchase price.
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