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The Winchester SX4 Waterfowl Hunter in 20 gauge is the kind of gun that earns its keep season after season. Built around Winchester's tried-and-true Active Valve gas system, it automatically adjusts gas pressure to reliably cycle a wide range of loads from standard field shells all the way up to 3-inch magnums, without you having to think about it. The full-coverage Mossy Oak Shadow Grass Habitat camo runs across the composite stock, aluminum alloy receiver, and chrome-lined back-bored barrel, giving you a unified, no-glare profile in the blind or the marsh. The 26-inch barrel makes for a nimble, well-balanced package that swings naturally on passing birds.
Winchester reworked the ergonomics from the ground up compared to the SX3. The bolt handle, bolt release, and safety are all noticeably larger, which matters a lot when you're wearing gloves in 25-degree weather and birds are working your decoys. The fore-end has textured grip panels and cutouts on each side so your hands find a secure hold even in rain or sleet. The drop-out trigger group makes field cleaning straightforward, and the Inflex Technology recoil pad does a real job of pulling the comb down and away from your cheek under recoil, helping keep your follow-up shots faster and more comfortable. The TruGlo fiber-optic front sight stands out well in low-light conditions, which is exactly when you need it most.
At roughly 6 lbs. 12 oz., this is a gun you can carry all day through a flooded timber, on a walk-in hunt, or through the uplands after a morning on the water. The 20 gauge's lighter recoil combined with the SX4's gas operation and Inflex pad makes it genuinely soft-shooting, which adds up over a long morning in the blind. The back-bored barrel paired with the Invector-Plus choke system promotes cleaner, more consistent patterns, and the included set of Full, Modified, and Improved Cylinder chokes covers the spread from close-flushing birds to longer passing shots. Length-of-pull spacers let you fine-tune the fit without a gunsmith.
The Active Valve gas system is designed to self-adjust and cycle a wide variety of loads, from standard 2 3/4-inch field shells up through 3-inch magnum loads. It handles steel shot loads without issue, which is important for waterfowl hunting. For best results with any new semi-auto, run a box or two of standard loads through it before heading into the field.
For most hunting situations, yes. The 26-inch tube gives you a quick-pointing, well-balanced gun that's easier to manage in a blind or through timber than a 28-inch barrel, without giving up much in terms of swing. It shaves a bit of overall length off the gun, making it handy in tight spots while still providing a smooth follow-through on crossing birds.
The combination of the gas-operated Active Valve system and the Inflex Technology recoil pad makes the SX4 one of the softer-shooting 20 gauges in its class. The Inflex pad is designed to direct the comb down and away from your face under recoil, which speeds up your recovery for a follow-up shot. Most people find the 20-gauge SX4 very comfortable to shoot for extended sessions.
Yes. The gun ships with length-of-pull spacers that allow you to adjust the fit in quarter-inch increments. Out of the box with one spacer installed, LOP is 14 1/4 inches, which fits a wide range of shooters. Removing the spacer shortens it slightly for a more compact feel or for shooting in heavy layered clothing.
It does. Winchester includes three Invector-Plus flush-fit choke tubes in Full, Modified, and Improved Cylinder, along with a choke tube wrench. These cover the most common scenarios you'll encounter hunting ducks and geese, and the Invector-Plus system is widely supported by aftermarket choke manufacturers if you want to expand your options.
Mossy Oak Shadow Grass Habitat is designed around the grasses, reeds, and marsh vegetation typical of duck and goose country. The pattern blends well in cattail marshes, flooded fields, and coastal flats. The full-coverage camo on the SX4 runs across the stock, receiver, and barrel, eliminating bright spots that could spook birds working your spread.
| UPC | 048702020537 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 511268691 |
| Action | |
| ATF Type | Shotgun |
| Barrel Length | 26" |
| Caliber/Gauge | 20 Gauge |
| Capacity | 4 + 1 |
| Color | CAMOFLAGE |
| Length | 37.6000 |
| Package Height | 3.3 |
| Package Width | 9.5 |
| Product Type | Shotgun |
| Shipping Weight | 9.15 |
| Sights | TruGlo Fiber Optic Front |
| Sights Type | Fixed Sights |
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