Winchester Sx4 Waterfowl Hunter Compact 20Ga 28 Mosgh
- Caliber-Gauge:
- 20 Gauge
- Barrel Length:
- 28"
- Barrel Length Range:
- 28" to 28.99"
The Winchester SX4 Waterfowl Hunter Compact in 20-gauge with a 28-inch barrel is purpose-built for younger shooters, smaller-framed hunters, and anyone who benefits from a shorter stock. This 20-gauge semi-auto shotgun combines Winchester's proven SX4 platform—known for reliability in wet, demanding conditions—with a compact 13-inch length of pull, making it one of the few truly scaled waterfowl options on the market. Dressed in Mossy Oak Shadow Grass Habitat camouflage, it's field-ready straight out of the box for duck and goose hunting.
What sets the SX4 Waterfowl Hunter Compact apart is its thoughtful engineering for comfort and control. The Pachmayr Decelerator recoil pad absorbs the punishment that comes with 20-gauge loads, and the synthetic stock's rounded pistol grip and textured surfaces give you solid purchase even with wet gloves. Winchester's self-adjusting active valve gas system handles the full range of 20-gauge loads—from light target rounds to heavy magnum duck loads—without fouling or short-stroking, while the back-bored barrel technology tightens patterns and reduces recoil further. Hard chrome plating in the chamber and bore means this gun will stand up to the salt spray and mud of serious waterfowl seasons.
The ergonomics favor shooters who need faster, more intuitive handling. The larger bolt handle and bolt release button are easier to manipulate with cold hands or in heavy clothing. The ambidextrous crossbolt safety works for both left and right-handed gunners. Drop-out trigger group design keeps maintenance simple. For sight picture, a TruGlo fiber-optic front bead cuts through low light and overcast skies common to early-morning waterfowl hunts. The Invector-Plus choke tube system lets you dial in the right constriction for your load and distance.
This is the shotgun for a young duck hunter ready to learn on a real gun, or for any adult who values fit, reduced recoil, and proven gas-gun reliability in one package.
Key Features
- Compact 13-inch length of pull fits smaller and younger shooters comfortably
- 28-inch barrel with back-bored technology for pattern efficiency and mild recoil
- Self-adjusting active valve gas system handles light to magnum 20-gauge loads reliably
- Mossy Oak Shadow Grass Habitat camouflage for waterfowl hunting concealment
- Pachmayr Decelerator recoil pad reduces felt recoil
- Hard chrome-plated chamber and bore resist corrosion and salt spray
- Invector-Plus choke tube system for load flexibility
- TruGlo long-bead fiber-optic front sight for low-light visibility
- Ambidextrous crossbolt safety operates for left and right-handed shooters
- Larger bolt handle and release button for easier operation in heavy clothing
- Drop-out trigger group for simplified field cleaning and maintenance
- Synthetic stock with rounded pistol grip and textured gripping surfaces
- Ventilated rib and Quadra-Vent porting
Specifications
| Gauge | 20 |
| Barrel Length | 28 inches |
| Length of Pull | 13 inches |
| Camouflage Pattern | Mossy Oak Shadow Grass Habitat |
| Stock Material | Synthetic |
| Choke System | Invector-Plus |
| Recoil Pad | Pachmayr Decelerator |
| Front Sight | TruGlo Long-Bead Fiber-Optic |
| Safety | Ambidextrous Crossbolt |
Frequently Asked Questions
Who is the Winchester SX4 Waterfowl Hunter Compact 20-gauge designed for?
This shotgun is built for younger hunters, smaller-framed adults, and anyone who benefits from a shorter stock. The 13-inch length of pull makes it more manageable and comfortable for shooters who find standard 14-inch stocks too stretched-out, without sacrificing the reliability of Winchester's full-sized SX4 platform.
Can this 20-gauge handle heavy waterfowl loads?
Yes. The self-adjusting active valve gas system is designed to cycle the full range of 20-gauge ammunition, including magnum duck and goose loads, so you're not limited to light target loads. The hard chrome-plated chamber is rated for the pressures of modern waterfowl ammunition.
What camouflage pattern comes on this shotgun?
It comes in Mossy Oak Shadow Grass Habitat, an effective pattern for marsh, field, and river waterfowl hunting environments.
Is this shotgun ambidextrous?
The safety is ambidextrous (crossbolt type), so both left and right-handed shooters can operate it naturally. The bolt handle and release button are also sized for easier manipulation by shooters of different hand sizes.
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.

