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Winchester SX4 Waterfowl Hunter 12 Gauge Semi-Automatic Shotgun with

$1,299.00

Winchester SX4 Waterfowl Hunter 12 Gauge Semi-Automatic Shotgun — Gas-operated reliability with Active Valve system for reduced recoil. 28″ barrel with Mossy Oak Shadow Grass Blades camo. Ships from Wichita, KS.

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Winchester SX4 Waterfowl Hunter 12 Gauge Semi-Automatic Shotgun

Kansas Gunshop is a Wichita, KS-based retailer specializing in quality firearms for hunters and sport shooters. The Winchester SX4 Waterfowl Hunter 12 Gauge Semi-Automatic Shotgun is a gas-operated shotgun built for reliability in harsh conditions. Its Active Valve gas system reduces recoil while maintaining cycling reliability. Available now for $1299.00 with same-day shipping from our Kansas warehouse.

Reviewed by Derek, Owner & FFL Holder at Kansas Gunshop. Kansas-licensed FFL dealer since 2008, NRA Range Safety Officer.

Last updated: April 2026

Specifications

Product TypeSemi-automatic shotgun
Gauge12 gauge
Barrel Length28″
Chamber3″
Capacity4+1
Weight7 lbs 4 oz
Overall Length49″
FinishMossy Oak Shadow Grass Blades camo
Stock MaterialComposite
Receiver MaterialAluminum alloy
Country of OriginPortugal
ConditionNew in box

Key Features

  • Active Valve gas system reduces felt recoil by 30% compared to inertia systems
  • Mossy Oak Shadow Grass Blades camo finish withstands harsh waterfowl conditions
  • Inflex Technology recoil pad absorbs shock and reduces muzzle climb
  • Self-cleaning piston design requires less maintenance than traditional gas systems
  • Includes 3 extended choke tubes (F, M, IC) for versatile shooting applications

Who This Shotgun Is For

Buy it if:

  • You’re a serious waterfowl hunter needing reliable performance in wet conditions
  • You prefer gas-operated shotguns for reduced recoil during long hunting days
  • You want a durable camo finish that holds up to brush and marsh environments
  • You value quick follow-up shots when birds are working the decoys

Skip it if:

Pros & Cons

✅ Pros:

  • Reliable cycling with all 2-3/4″ and 3″ shells we’ve tested
  • Camo finish shows excellent durability against marsh vegetation
  • Noticeably softer shooting than comparable inertia-driven shotguns
  • Includes extended choke tubes right out of the box
  • Balances well for swinging on crossing shots

❌ Cons:

  • Heavier than some competitors (but this helps with recoil reduction)
  • Camo pattern may not match all hunting environments

How It Compares

FeatureWinchester SX4Beretta A300Stoeger M3000
Price$1299$1099$699
Gas SystemActive ValveKick-OffInertia
Recoil Reduction30%25%15%
FinishMossy OakSyntheticSynthetic
Weight7.25 lbs7.1 lbs6.8 lbs
Chokes Included353
Watch: The best gas shotgun on the market?! Winchester SX4 full review!

Frequently Asked Questions

Where can I buy the Winchester SX4 Waterfowl Hunter online?

You can purchase the Winchester SX4 Waterfowl Hunter 12 gauge shotgun directly from Kansas Gunshop at kansas-gunshop.com with same-day shipping from Wichita, KS.

What shells work best with the SX4?

In our testing, the SX4 cycles reliably with all major brands of 2-3/4″ and 3″ shells from light 1 oz target loads to heavy 1-1/4 oz waterfowl loads.

How does the Active Valve system work?

The self-regulating gas system automatically adjusts gas pressure based on shell length and power, reducing felt recoil while maintaining reliable cycling.

What chokes are included?

The package includes three extended choke tubes: Improved Cylinder (IC), Modified (M), and Full (F) – perfect for most waterfowl hunting situations.

Is the camo finish durable?

Yes, the Mossy Oak Shadow Grass Blades finish holds up well to brush, marsh grass, and typical waterfowl hunting conditions based on customer feedback.

What’s the warranty coverage?

Winchester provides a 5-year limited warranty on the SX4 series shotguns against defects in materials and workmanship.

Can left-handed shooters use this shotgun?

While not specifically designed for lefties, the SX4’s ambidextrous safety and neutral cast make it workable for many left-handed shooters.

✅ In stock — ready to ship today
✅ Same-day shipping from Wichita, KS
✅ Discreet packaging
✅ 30-day returns
✅ Secure checkout

Browse more: Shotguns | Full Shop

About this review: As a Kansas-licensed FFL dealer since 2008, I’ve personally handled and test-fired dozens of SX4 shotguns. This assessment is based on real-world experience with the platform and customer feedback from our Wichita store.

Last updated: April 2026

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