Description
The Winchester SX4 Defender FDE 12ga is a semi-auto shotgun from Winchester in 12 gauge with a 18 1/2 inch barrel, finished in Flat Dark Earth Cerakote and Flat Dark Earth. This listing is UPC 048702026430, Winchester item 511319395. Winchester lists it at 6 lbs 14 oz and 39 1/2 inches overall.

Winchester SX4 Defender FDE 12ga Overview
The Super X4 is the Winchester flagship autoloader, running on the Active Valve gas system for soft recoil and reliable cycling with everything from light target loads to heavy magnums. This version is the SX4 Defender – FDE.
Barrel and Chokes
The 18 1/2 inch barrel has a flat dark earth cerakote finish. It uses the Invector-Plus Flush system and ships with full, modified, improved cylinder choke tubes. The 3 inch chamber handles standard and 3 inch loads.

Action
The Active Valve gas system meters gas so light loads cycle and heavy loads are softened, and the recoil pad helps keep felt recoil manageable. The magazine holds 4, 2 3/4 shells.
Stock and Fit
The composite stock has a flat dark earth finish and textured grip panels grip panels. Winchester lists a 14 1/4 inch length of pull and a Inflex 2 recoil pad.

Key Features
Winchester builds the SX4 Defender – FDE for years of hard use.
The 12 gauge
The 12 gauge handles everything from light target loads to heavy waterfowl, turkey and defense loads.
Home Defense
This shotgun is set up for home defense, where its short barrel handles well indoors. Pattern your defense loads at room distances, and store it safely with a lock.
Buying Tips
Pattern your gun with each choke and load before the season, and pick up extra choke tubes if you hunt different birds.
Care and Value
Wipe the gun down after wet hunts and clean the barrel and chokes regularly. Winchester shotguns hold their value well.
State Laws
Shotguns are legal in every state, though hunting rules and magazine limits vary. Pennsylvania buyers can transfer at our Collegeville shop or at any FFL.
Specifications
- Manufacturer: Winchester
- Model: SX4 Defender – FDE (511319395)
- UPC: 048702026430
- Gauge: 12
- Chamber Length: 3 in.
- Barrel Length: 18 1/2 in.
- Overall Length: 39 1/2 in.
- Length of Pull: 14 1/4 in.
- Drop at Comb: 1 3/4
- Drop at Heel: 2
- Weight: 6 lbs 14 oz
- Magazine Capacity: 4, 2 3/4 shells
- Rib Width: 1/4
- Barrel Finish: Flat Dark Earth Cerakote
- Stock Finish: Flat Dark Earth
- Chokes Included: Full, Modified, Improved Cylinder
- Receiver Finish: Flat Dark Earth Cerakote
- Chamber Finish: Polished
- Choke System: Invector-Plus Flush
- Barrel Material: Steel
- Stock Material: Composite
- Recoil Pad: Inflex 2
- Checkering: Textured Grip Panels
- Sling Swivel Studs: Cerakote
- Receiver Material: Aluminum Alloy
- Trigger Finish: Matte Black
- Trigger Guard Finish: Matte Black
- Bolt Slide Finish: Matte Blued
- Magazine Type: Tubular
- Trigger Material: Alloy
- Trigger Guard Material: Composite
- Trigger Guard Engraving: None
- Choke Wrench Included: Flat Wrench
Before You Buy
Federal law requires this firearm to ship to a licensed FFL dealer for transfer with a background check. Buyers must be 18 or older. Winchester photos may show another caliber, gauge or barrel length of the same model.
Who It Is For
The Winchester SX4 Defender FDE 12ga is a great fit for shooters who want a tough, fast cycling shotgun for home defense.
Buy the Winchester SX4 Defender FDE 12ga at MAG5 Firearms
MAG5 Firearms is a family-owned FFL in Collegeville, Pennsylvania. Order the Winchester SX4 Defender FDE 12ga online and ship it to your local FFL dealer, or browse our full selection of firearms for more shotguns. For factory details, visit Winchester.








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