Description
The Winchester Super X3 12 Ga, 3.5″, 28″, Inv+mobl, Synthetic SA, 4 rd is a gas-operated semi-automatic shotgun designed for high-volume, high-recoil hunting. It features a 28-inch barrel chambered for 3.5-inch magnum shells, a synthetic stock with an Invector-Plus choke system and Mobilchoke compatibility, and a 4+1 capacity. This is a workhorse built for punishing conditions where reliability is non-negotiable.
Key Features
- Gas-Operated Reliability: The Active Valve gas system self-adjusts for reliable cycling with everything from light 2.75-inch target loads to punishing 3.5-inch magnums.
- 3.5″ Chamber: Gives you the maximum power and payload for waterfowl, turkey, and long-range goose hunting.
- Invector-Plus & Mobilchoke System: Comes with a set of interchangeable chokes (often Full, Modified, Improved Cylinder) for precise pattern control from tight turkey shots to open-field pass shooting.
- Synthetic Stock & Forend: Built to withstand moisture, temperature swings, and rough handling in blinds, boats, and marshes without a second thought.
- 4+1 Capacity: Offers that extra follow-up shot when a flock tumbles in or a second bird flushes.
Specifications & Details
| Specification | Detail |
|---|---|
| Gauge | 12 Gauge |
| Chamber | 3.5″ |
| Barrel Length | 28″ |
| Overall Length | Approx. 49″ |
| Weight | Approx. 7.1 lbs |
| Capacity | 4+1 Rounds |
| Stock | Synthetic |
| Choke System | Winchester Invector-Plus (Mobilchoke compatible) |
Who This Shotgun Is For
This is the shotgun you grab when the forecast calls for freezing rain at dawn in the duck blind. It’s built for the serious waterfowler who needs to cycle heavy steel shot through a full season of mud and muck. The 28-inch barrel provides a smooth swing for pass shooting, while the 3.5-inch chamber delivers the authority needed for late-season geese or wary Eastern turkeys at distance. It’s also a formidable choice for hunters in flooded timber or layout boats where a synthetic, weatherproof finish is worth its weight in gold. The weight, just over seven pounds, manages recoil effectively even with heavy loads.
Pros & Cons
Pros: Legendary Winchester reliability in a modern gas-operated platform. Handles the full spectrum of 12-gauge shells. The synthetic stock is virtually impervious to the elements. The choke system offers immense versatility—you can use Winchester’s Invector-Plus tubes or readily available Browning Invector or Mobilchoke tubes for even more pattern options. It’s drop-in ready for the field with no gunsmithing required.
Cons: The synthetic stock may feel less traditional compared to walnut. At $991.88, it’s an investment for dedicated hunters. The 28-inch barrel can feel long in tight quarters like a pop-up turkey blind. That said, its ability to digest any shell you feed it, from light target loads to the heaviest magnums, makes it a supremely versatile tool.
Frequently Asked Questions
Q: Is the Winchester Super X3 reliable with lighter target loads?
A: Yes. The self-regulating Active Valve gas system is designed to cycle 2.75-inch light target loads, standard field loads, and 3.5-inch magnums without manual adjustment. This makes it an excellent candidate for clays practice or dove hunting during the off-season.
Q: What chokes does it come with?
A: It typically includes a set of three Invector-Plus choke tubes (e.g., Full, Modified, Improved Cylinder). The system is also compatible with the widely available Browning Invector/Mobilchoke standard, giving you access to a huge aftermarket selection for specialized hunting or competition.
Q: Can the length of pull be adjusted?
A: The synthetic stock is fixed, but Winchester and aftermarket companies offer spacer kits to add or remove length. For most hunters, the standard dimensions fit out of the box, but having the option to customize is a plus for a perfect mount and swing.
This Winchester Super X3 is built for the hunter who demands one shotgun to do it all, from early-season doves to late-season snows, without a hiccup. It’s available at firearms-missouri.com for Missouri residents and nationwide. See the full product page for current availability and to start the simple FFL transfer process.




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