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Winchester Repeating Arms SX4
California Proposition 65 Warning

This product can expose you to chemicals including lead, known to cause cancer and birth defects. For more info visit P65Warnings.ca.gov.

Winchester Repeating Arms

SX4

$1,229.99
Available California compliant

Winchester Repeating Arms SX4 Defender, Semi-automatic Shotgun, 12 Gauge, 3" Chamber, 18.5" Barrel, Cerakote Finish, Flat Dark Earth, Woodland Camo Furniture, 4 Rounds 511320395

Key Details
Brand Winchester Repeating Arms
Manufacturer Part Number 511320395
UPC 048702026454
SKU WN511320395
Current Stock 18 available
Quantity Updated Apr 25, 2026 3:10 PM
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Purchase Requirements
  • This product requires FFL processing before pickup or transfer.
  • Age verification is required before checkout completion.
  • California compliance or distributor restriction review may apply.
  • Final availability is confirmed at checkout.
In-Store Pickup Required: All firearm purchases must be picked up at our Beverly Hills location after background check completion.
Product Description

From running a 3-gun competition course to hunting turkey or just keeping handy when camping in the woods, the biggest feature of a Winchester SX4 Defender shotgun is versatility. Like all SX4 models, these autoloaders are powered by the ever reliable Active Valve Gas System that offers superior reliability with a wide range of loads and impressive cycling speed. The compact, 18-1/2" barrel is easy to maneuver in the brush and through range obstacles.

Features
  • Synthetic stock in Woodland camouflage finish
  • Barrel and aluminum receiver with FDE Cerakote finish
  • 18-1/2 barrel length"
  • Three Invector-Plus choke tubes (F, M, IC)
  • LPA front sight and rear ghost ring sight
Specifications
UPC: 048702026454
Manufacturer: Winchester Repeating Arms
Manufacturer Part #: 511320395
Model: SX4
Model (Alt): Defender
Action: Semi-automatic
Barrel Length: 18.5"
Capacity: 4 Rounds
Finish: Matte
Sights: Ghost Ring Sight