Winchester SXP Defender 20ga 18" Pump Action Shotgun OD Green
- Capacity-Rounds:
- 5
- Caliber-Gauge:
- 20 Gauge
- Hand:
- Right Hand
- Finish-Color:
- Olive Drab
- Barrel Length:
- 18"
- Barrel Length Range:
- 18" to 18.99"
- OAL:
- 38.50"
- Trigger:
- Drop-Out
- Chamber:
- 3"
- Weight:
- 6 lbs
- Action:
- Pump
- Safety:
- Crossbolt
- Stock Finish Group:
- Green
- Stock Description:
- Fixed Textured Grip Paneled
- Sights:
- TruGlo Fiber Optic Front
- Weight Range:
- 6 lbs to 6.99 lbs
- Barrel Description:
- Steel
- Chokes Included:
- C
The Winchester SXP Defender 20-gauge pump action shotgun in OD Green is a compact, go-anywhere workhorse built for hunters, campers, and outdoor enthusiasts who need reliable firepower without bulk. At 18 inches, this shotgun fits easily into your truck, pack, or camp setup—the kind of tool that earns its place on every overlanding or backcountry trip. Winchester engineered the SXP platform for speed and dependability, combining a strong rotary bolt with dual action bars to deliver smooth, fast cycling when it counts.
Built to last in rough conditions, the barrel and receiver wear Winchester's Perma-Cote OD Green finish, while the hard chrome-plated chamber and bore resist corrosion and wear. The aluminum receiver is drilled and tapped for a scope base if you want to mount optics, and the OD Green composite stock won't warp or swell in wet weather. Out of the box, you get a removable TRUGLO fiber-optic front sight alongside a traditional brass bead, so you can choose your aiming method or upgrade as needed.
Versatility is baked in: the SXP Defender ships with one Invector-Plus choke tube (cylinder constriction) and accepts interchangeable Invector-Plus chokes, letting you dial in your pattern for small game, buckshot, slugs, or whatever your hunting or defensive situation demands. Sling swivel studs are installed, and the Inflex Technology recoil pad takes the sting out of 3-inch shells. Whether you're taking upland birds, processing small game, or keeping a capable defensive arm close at your campsite, the 20-gauge SXP Defender delivers Winchester reliability in a package that actually fits your adventure.
Key Features
- 18-inch barrel with hard chrome-plated chamber and bore for durability in harsh conditions
- Perma-Cote OD Green finish on barrel and receiver resists corrosion
- Aluminum receiver drilled and tapped for scope base mounting
- Removable TRUGLO fiber-optic front sight plus brass bead sight
- Interchangeable Invector-Plus choke system for pattern versatility
- Dual action bars and rotary bolt for reliable cycling
- OD Green composite stock resists weather and warping
- Sling swivel studs installed
- Inflex Technology recoil pad
- 3-inch chamber for 20-gauge ammunition
Specifications
| Brand | Winchester |
| Model | SXP Defender |
| Gauge | 20 |
| Chamber | 3 inch |
| Barrel Length | 18 inches |
| Barrel Finish | Perma-Cote OD Green with hard chrome-plated chamber and bore |
| Action Type | Pump action |
| Receiver Material | Aluminum alloy |
| Receiver Finish | OD Green |
| Stock Material | OD Green composite |
| Choke System | Invector-Plus (interchangeable) |
| Included Choke | One CYL (cylinder) choke tube |
| Front Sight | Removable TRUGLO fiber-optic and brass bead |
| Receiver Features | Drilled and tapped for scope base; sling swivel studs |
| Recoil Pad | Inflex Technology |
Frequently Asked Questions
Can you mount a scope on the Winchester SXP Defender?
Yes. The aluminum receiver is drilled and tapped for a scope base, so you can add rail-mounted optics for slugs or longer-range work.
What chokes does the SXP Defender accept?
The shotgun uses Winchester's Invector-Plus choke system and ships with one cylinder-constriction choke tube. You can swap in any compatible Invector-Plus choke to adjust your pattern for different loads and game.
Is the front sight removable?
The TRUGLO fiber-optic front sight is removable, so you can swap it out or replace it with a different setup. The gun also has a traditional brass bead sight that stays fixed.
What 20-gauge ammunition does this shotgun use?
The SXP Defender 20-gauge has a 3-inch chamber, so it handles both 2¾-inch and 3-inch 20-gauge shells.
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.

