Description
The Winchester SX4 Waterfowl LH 12 Gauge 3.5″ 28″ Realtree Legacy is a left-hand semi-auto built to handle the mud, cold, and heavy 3.5-inch loads you’ll run in a duck blind. It cycles fast, shoulders naturally for a left-handed shooter, and comes dressed in Realtree Legacy camouflage that blends into marsh grass and timber. If you need a reliable waterfowl gun that won’t short-stroke on light target loads or beat you up on magnum goose shells, this SX4 delivers.
| Manufacturer | Winchester Repeating Arms |
|---|---|
| Model | SX4 Waterfowl LH |
| Material | Aluminum alloy receiver, steel barrel |
| Compatibility | 12 Gauge 2.75″, 3″, and 3.5″ shells |
| Finish | Realtree Legacy camouflage (receiver, barrel, stock) |
| Weight | 7 lbs 4 oz (per manufacturer specs) |
| Condition | New |
Key Features
- Left-Hand Stock & Reversible Safety — The cast-on comb and palm swell fit a left-handed shooter’s cheek and hand, while the cross-bolt safety can be flipped for left-side operation. Why it matters: you won’t fight the gun’s ergonomics when birds are cupped and decoying.
- Inflex Technology Recoil Pad — This gel-filled pad compresses under recoil to reduce felt kick by up to 54% compared to standard pads. Why it matters: you can shoot a full box of 3.5-inch BBs without flinching on the next shot.
- Active Valve Gas System — Self-cleaning piston automatically adjusts gas pressure for light 2.75″ target loads up to heavy 3.5″ steel. Why it matters: no manual tuning needed—reliable cycling from dove loads to goose loads in the same hunt.
- Back-Bored Barrel & Invector-Plus Chokes — The 28-inch barrel is overbored to reduce recoil and improve pattern density, and it comes with flush-mounted Invector-Plus extended chokes (F, M, IC). Why it matters: tighter patterns at 40 yards mean more clean kills on passing birds.
- Oversized Bolt Handle & Truglo Fiber-Optic Front Sight — The bolt handle is larger for gloved-hand operation, and the bright fiber-optic front bead picks up light in low-dawn conditions. Why it matters: you can load, unload, and acquire targets fast when your hands are cold and wet.
Who It’s For
This shotgun is for the left-handed waterfowler who spends weekends in flooded timber, coastal marshes, or field spreads. It’s also a solid pick for the southpaw who wants a semi-auto that handles 3.5-inch shells without the weight penalty of a dedicated magnum gun. If you’re a right-handed shooter, this model won’t work for you—stick with the standard SX4 Waterfowl.
Pros & Cons
- Pro: Reliable cycling across all 12-gauge loads—light 1-oz target shells to heavy 3.5-inch steel.
- Pro: Left-hand-specific ergonomics (cast-on stock, reversed safety) reduce mounting issues.
- Pro: Realtree Legacy camo matches most wetland environments from early teal season to late goose.
- Con: The trigger pull is a bit heavy out of the box—around 5.5 lbs—so you may want to have a gunsmith lighten it for pass-shooting.
Comparison: Winchester SX4 LH vs. Benelli Super Black Eagle 3 vs. Beretta A400 Xtreme Plus
| Feature | Winchester SX4 Waterfowl LH | Benelli Super Black Eagle 3 | Beretta A400 Xtreme Plus |
|---|---|---|---|
| Action | Gas-operated (Active Valve) | Inertia-driven | Gas-operated (Kick-Off Plus) |
| Weight | 7 lbs 4 oz | 7 lbs 8 oz | 7 lbs 12 oz |
| Chamber | 3.5″ | 3.5″ | 3.5″ |
| Left-Hand Option | Yes (dedicated LH model) | Yes (LH model) | No (ambidextrous only) |
| Price | $1,200.94 | $1,899.00 | $1,999.00 |
| Recoil Reduction | Inflex pad (gel) | Comfortech 3 stock | Hydraulic Kick-Off system |
The SX4 is lighter and cheaper than both competitors, but the Benelli and Beretta offer more advanced recoil-reduction systems. If budget matters and you want a dedicated left-hand gun, the Winchester wins on value.
FAQ
Will the Winchester SX4 Waterfowl LH cycle 2.75-inch target loads reliably?
Yes, the Active Valve gas system automatically adjusts for light loads. Per Winchester specs, it cycles 1-oz 2.75″ target loads without short-stroking, as long as the gun is clean and properly lubed.
Can I use steel shot through the Invector-Plus chokes?
Yes, the included chokes are rated for steel shot. Winchester stamps them for steel use, but avoid using full choke with steel in barrels shorter than 26 inches—28-inch is fine with improved modified or lighter.
Is the safety reversible for left-handed shooters?
Yes, the cross-bolt safety can be reversed to operate from the left side of the trigger guard. The left-hand model also has the bolt release on the left side for easier gloved access.
What is the barrel length and overall length of this shotgun?
The barrel is 28 inches, and the overall length is 49.5 inches. The 28-inch barrel balances well for swing and still handles tight blind setups.
Why Buy From Us
- ✅ Nationwide delivery to all 50 states
- ✅ Ships within 1-2 business days
- ✅ 30-day return policy on unused firearms
- ✅ Secure checkout with encrypted payment
Browse more options in our Semi Auto Shotguns category, or check out Waterfowl Shotguns and Left-Handed Shotguns for additional models.
Last updated: April 2026
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