Winchester Sxp Shadow Marine Defender 20Ga 3 18
- Caliber-Gauge:
- 20 Gauge
- Barrel Length:
- 18"
- Barrel Length Range:
- 18" to 18.99"
The Winchester SXP Shadow Marine Defender is a 20-gauge pump-action shotgun built for serious defensive work in tough environments. With an 18-inch barrel and 3-inch chamber, this 20-gauge delivers reliable stopping power in a manageable platform, especially for shooters who prefer the lighter recoil profile of the smaller gauge without sacrificing versatility or control. The aluminum alloy receiver is finished in matte black and drilled and tapped for scope base mounting, so you can run optics if your mission demands it.
The barrel is matte chrome with hard chrome applied to both the chamber and bore—a Marine-grade finish that resists corrosion and stands up to harsh conditions, whether you're running this gun in a humid environment or just want finish that holds up to hard use. The SXP Shadow's pump action is smooth and reliable, the hallmark of the SXP platform, and cycles rounds quickly when speed matters. Black composite stock with a pistol grip and textured gripping area gives you control and purchase in wet or high-stress situations.
This shotgun ships with two interchangeable comb pieces to dial in your sight picture and two length-of-pull spacers, so you can fit the gun to your frame and shooting style. Factory-installed side-mounted Picatinny accessory rails mean you can hang lights, lasers, or other combat accessories without gunsmithing. Whether you're running it for home defense, tactical training, or any situation where a short, handy 20-gauge pump makes sense, the SXP Shadow Marine Defender is a no-nonsense tool.
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.

