Winchester Sx4 Upland Field 20Ga 28 Engraved Nkl

The Winchester SX4 Upland Field 20-gauge shotgun is a gas-operated semi-automatic built for hunters who spend serious time in the field pursuing upland game. At 28 inches with a 3-inch chamber, this 20 gauge delivers the speed and handling you need for fast-breaking targets—from early-season quail to late-season pheasant—without the recoil penalty of a 12-gauge. The matte nickel receiver and blued barrel strike a clean, workmanlike look, while the Grade II/III walnut stock and scroll engraving add just enough refinement to make this a gun you'll want to carry all season.

Winchester engineered the SX4 Upland Field around one core principle: get on target fast. The gun's ergonomics matter here—a quicker shoulder fit, larger cocking handle and bolt release, and a wider trigger guard opening all work together so you're not fumbling in the field. The matte nickel finish cuts glare without sacrificing durability, a detail that pays dividends whether you're hunting brushy upland cover or wading into waterfowl country. At 6 pounds 14 ounces, it balances weight and swing speed in a way that suits a whole hunting season, not just one game bird.

The gun ships with three Invector-Plus choke tubes (FMIC), so you can dial in the spread for whatever you're hunting. The new Inflex Technology recoil pad soaks up the kick, making longer days afield less punishing. Included length-of-pull spacers let you fine-tune the fit—important whether you're in a light jacket or heavy layers. A TRUGLO fiber-optic front sight keeps your eye where it needs to be in low light. The Active Valve gas system is Winchester's answer to reliable, low-maintenance semi-auto function across a range of ammunition—critical when you're miles from the truck and need the gun to work.

Whether this is your only shotgun or your go-to backup when you want to travel light, the Winchester SX4 Upland Field 20-gauge bridges hunting disciplines. It handles upland work with the speed its name promises, adapts to the marsh or clay range without apology, and feels like a shotgun you actually want to carry—not one you tolerate because it was on the shelf.

Key Features

• Gas-operated semi-automatic with Active Valve system for reliable function
• 28-inch barrel with 3-inch chamber in 20-gauge
• Matte nickel aluminum alloy receiver with scroll engraving
• Grade II/III walnut stock with satin varnish finish
• Three Invector-Plus choke tubes included
• New Inflex Technology recoil pad for reduced felt recoil
• Larger cocking handle and bolt release for faster operation
• Reversible safety button for left- or right-hand shooters
• Wider trigger guard opening for gloved-hand shooting
• TRUGLO fiber-optic front sight
• Length-of-pull spacers for custom fit
• Lightweight at 6 lbs 14 oz

Specifications

Frequently Asked Questions

What's the magazine capacity and what ammunition does it hold?

The Winchester SX4 Upland Field holds 4 rounds of 2.75-inch shells in the magazine. With the 3-inch chamber, the gun will also cycle 3-inch ammunition, giving you flexibility in ammunition choice.

What choke tubes come with the gun?

The SX4 Upland Field ships with three Invector-Plus choke tubes (FMIC—Full, Modified, and Improved Cylinder). These let you adjust your shot pattern for different hunting ranges and game.

Can I adjust the length of pull if the stock doesn't fit me right out of the box?

Yes. The gun includes length-of-pull spacers so you can fine-tune the fit to your frame and shooting style.

Is the safety reversible for left-handed shooters?

Yes, the safety button is reversible, so both left- and right-hand shooters can operate it without changing their grip. The trigger guard opening is also enlarged to accommodate gloved fingers in cold weather.