great lakes firearms logo
  • Shop
  • About
  • Services
    • Engraved Guns
    • Light Gunsmithing
    • Ultrasonic Gun Cleaning
  • Contact
$8,160.67 47 Cart
  • Ammo
    • Handgun Ammunition
    • Rifle Ammunition
    • Rimfire Ammunition
    • Shotgun Shells
  • Guns
    • Combination Guns
    • Derringers
  • Handguns
    • Semi Auto Handguns
    • Single Shot Handguns
    • Revolvers
    • Other Handguns
  • Magazines
    • AR Magazines
    • AK Magazines
    • Handgun Magazines
    • Rifle Magazines
    • Shotgun Magazines
  • Optics
    • Binoculars
    • Gun Scopes
    • Gun Sights
    • Laser Sights
    • Night Vision
    • Range Finders
    • Red Dots Sights
    • Sight Magnifiers
    • Spotting Scopes
    • Thermal Sights
  • Rifles
    • AR Rifles
    • AK Rifles
    • Bolt Action Rifles
    • Lever Action Rifles
    • Pump Action Rifles
    • Semi Auto Rifles
    • Single Shot Rifles
    • Other Rifles
  • Parts
    • AR Lower Parts
    • AR Lower Parts Kits
    • AR Upper Parts
    • AR15 Parts
    • Class 3 Parts & Accessories
    • Glock Parts
    • Gun Parts
    • Gun Parts Kits
    • Handgun Parts
    • Other AR15 Accessories & Parts
  • Shotguns
    • Bolt Action Shotguns
    • Lever Action Shotguns
    • Over Under Shotguns
    • Pump Action Shotguns
    • Semi Auto Shotguns
    • Single Shot Shotguns
    • Side By Side Shotguns
    • Other Shotguns
  • Scopes
    • Scope Accessories & Scope Parts
    • Sight Magnifiers
    • Spotting Scopes
    • Thermal Sights
great lakes firearms logo
  • Ammo
    • Handgun Ammunition
    • Rifle Ammunition
    • Rimfire Ammunition
    • Shotgun Shells
  • Guns
    • Combination Guns
    • Derringers
  • Handguns
    • Semi Auto Handguns
    • Single Shot Handguns
    • Revolvers
    • Other Handguns
  • Magazines
    • AR Magazines
    • AK Magazines
    • Handgun Magazines
    • Rifle Magazines
    • Shotgun Magazines
  • Optics
    • Binoculars
    • Gun Scopes
    • Gun Sights
    • Laser Sights
    • Night Vision
    • Range Finders
    • Red Dots Sights
    • Sight Magnifiers
    • Spotting Scopes
    • Thermal Sights
  • Rifles
    • AR Rifles
    • AK Rifles
    • Bolt Action Rifles
    • Lever Action Rifles
    • Pump Action Rifles
    • Semi Auto Rifles
    • Single Shot Rifles
    • Other Rifles
  • Parts
    • AR Lower Parts
    • AR Lower Parts Kits
    • AR Upper Parts
    • AR15 Parts
    • Class 3 Parts & Accessories
    • Glock Parts
    • Gun Parts
    • Gun Parts Kits
    • Handgun Parts
    • Other AR15 Accessories & Parts
  • Shotguns
    • Bolt Action Shotguns
    • Lever Action Shotguns
    • Over Under Shotguns
    • Pump Action Shotguns
    • Semi Auto Shotguns
    • Single Shot Shotguns
    • Side By Side Shotguns
    • Other Shotguns
  • Scopes
    • Scope Accessories & Scope Parts
    • Sight Magnifiers
    • Spotting Scopes
    • Thermal Sights
$8,160.67 47 Cart
Click to enlarge
Home Guns & Firearms Shotguns Semi Auto Shotguns WINCHESTER SX4 EXT DEFENDER – 12GA 3″ 18.5″ WOODLAND/FDE
WINCHESTER SX4 LONGBEARD 20GA - 3" 24" MOSSYOAK OBSESSION
WINCHESTER SX4 LONGBEARD 20GA - 3" 24" MOSSYOAK OBSESSION $1,092.00
Back to products
Kel-Tec RDB Rifle .223 Rem/5.56mm 20rd magazine 20" Barrel Tan Grip
Kel-Tec RDB Rifle .223 Rem/5.56mm 20rd magazine 20" Barrel Tan Grip $771.00

WINCHESTER SX4 EXT DEFENDER – 12GA 3″ 18.5″ WOODLAND/FDE

$1,060.00

WINCHESTER SX4 EXT DEFENDER – 12GA 3″ 18.5″ WOODLAND/FDE

4 in stock

Purchase & earn 1,060 points!
Compare
Add to wishlist
SKU: ZND|G511321395 Category: Semi Auto Shotguns
Share:
  • Description
  • Additional information
  • Reviews (0)
  • Shipping & Delivery
Description
PRODUCT SPECIFICATIONS:

GAUGE     12
ACTION TYPE     SEMI-AUTO
MAX CHAMBER SIZE     3″
WEIGHT     7.12
METAL FINISH     COLORED
BARREL LENGTH IN INCHES     18.5000
OVERALL LENGTH IN INCHES     39.5000
CHECKERING     N
MONTECARLO     N
RECOIL PAD     Y
STOCK MATERIAL     SYNTHETIC
STOCK COLOR     CAMOFLAGE
STOCK STYLE     FIELD
SWIVELS STUDS     YES
INTERNAL CHOKE TUBES Y/N     Y
INCLUDES X-FULL TUBE     N
INCL FULL TUBE     Y
INCL IMP MOD TUBE     N
METAL COLOR     FLAT DARK EARTH
INCL MODIFIED TUBE     Y
INCL IMP CYL TUBE     Y
INCL SKEET TUBE     N
OTHER FEATURES:     FDE CERAKOTE FINISH, CHROME
     PLATED CHAMBER AND BORE, GAS
     OPERATED W/ ACTIVE VALVE
     SYSTEM, PISTOL GRIP, 3 CHOKE
     TUBES
     LPA FRONT AND REAR GHOST RING
     SIGHT, THREE COMB INSERTS,
     LARGE BOLT HANDLE AND BOLT
     RELEASE, REVERSIBLE SAFETY
     BUTTON, SLING SWIVEL STUDS

Additional information
UPC

048702026478

Manufacturer

Winchester

Manufacturer Part Number

511321395

Action

Semi-Auto

Barrel Length

18.5000

Checkering

No

Dimension

5.30 X 11.15 X 49.20

Caliber/Gauge

12 Gauge

Height

5.3000

Includes Full Tube

Yes

Width

11.1500

Weight

7.12

Includes Skee Tube

No

Includes IMP CYL Tube

Yes

Includes IMP Mode Tube

No

Includes Modified Tube

Yes

Includes X-Full Tube

No

Swivel Studs

Yes

Interior Choke Tubes

Yes

Length

49.2000

Max Chamber Size

3"

Color

Flat Dark Earth

Finish Type

COLORED

Montecarlo

No

Other Features

FDE CERAKOTE FINISH, CHROME

Overall Length

39.5000

Recoil Pad

Yes

Stock Color

CAMOFLAGE

Stock Material

SYNTHETIC

Stock Type

FIELD

Stock Finish Group

Natural Camouflage

Choke Type

Invector-Plus Flush

Chokes Included

F,M,IC

Receiver Description

Drilled & Tapped w/Picatinny Rail

Safety

Crossbolt

Sights

LPA Front/Ghost Ring Rear

Stock Description

Fixed w/Pistol Grip

Weight Range

6 lbs to 6.99 lbs

Chamber Size

3"

Capacity

4, 2 3/4" Shells

Barrel Length Range

18" to 18.99"

Barrel Description

Steel

Subcategory

Defensive Shotguns

Model

SX4

Finish

Matte

Additional Feature 1

Invector Plus Choke System

Product Type

Shotgun

Grip Material

Camo Stock Woodland Camo

Sights Type

Fixed Sights

Shipping Weight

14.85

Scope Cover Included

No

Receiver

FDE Aluminum Alloy

Package Width

11.0

Package Length

49.0

Package Height

4.75

Illuminated Reticle

No

Grip Type

Woodland Camo

Drilled and Tapped

No

ATF Type

Shotgun

ATF Model

SX4

ATF Manufacturer

BROWNING VIANA / BACO

Adjustable Objective

No

Additional Feature 3

Sling Swivel Studs

Additional Feature 2

3 Interghangeable Comb Inserts

Reviews (0)

Reviews

There are no reviews yet.

Be the first to review “WINCHESTER SX4 EXT DEFENDER – 12GA 3″ 18.5″ WOODLAND/FDE” Cancel reply

Your email address will not be published. Required fields are marked *

Shipping & Delivery

Related products

Sold out
Compare

AMERICAN TACTICAL INC BULL-DOG 20/18.5″ GREEN

Semi Auto Shotguns
$328.00
AMERICAN TACTICAL INC BULL-DOG 20/18.5" GREEN
Add to wishlist
Purchase & earn 328 points!Read more
Quick view
Sold out
Compare

CHARLES DALY 601 FIELD CMPT 20/22 MOBL 3″

Semi Auto Shotguns
$345.00
CHARLES DALY 601 FIELD CMPT 20/22 MOBL 3"
Add to wishlist
Purchase & earn 345 points!Read more
Quick view
Compare

LEGACY SPORTS INTERNATIONAL CITADEL BOSS 25 12/18.75 BLK

Semi Auto Shotguns
$295.00
LEGACY SPORTS INTERNATIONAL CITADEL BOSS 25 12/18.75 BLK
Add to wishlist
Purchase & earn 295 points!Add to cart
Quick view
Compare

LEGACY SPORTS INTERNATIONAL CITADEL BOSS 25 12/18.75 TUNG

Semi Auto Shotguns
$320.00
LEGACY SPORTS INTERNATIONAL CITADEL BOSS 25 12/18.75 TUNG
Add to wishlist
Purchase & earn 320 points!Add to cart
Quick view
Sold out
Compare

POINTER TURKEY 20/28 BRZ/MOBL

Semi Auto Shotguns
$357.00
POINTER TURKEY 20/28 BRZ/MOBL
Add to wishlist
Purchase & earn 357 points!Read more
Quick view
Compare

TOKAREV USA TAR 12P 12/18.5″ M81 CAMO 3″

Semi Auto Shotguns
$329.99
TOKAREV USA TAR 12P 12/18.5" M81 CAMO 3"
Add to wishlist
Purchase & earn 330 points!Add to cart
Quick view
Compare

TOKAREV USA TBP 12 12/18.5″ ODG/SY 3″

Semi Auto Shotguns
$215.99
TOKAREV USA TBP 12 12/18.5" ODG/SY 3"
Add to wishlist
Purchase & earn 216 points!Add to cart
Quick view
Compare

TOKAREV USA TTF 12/18.5″ BL/SY 3″

Semi Auto Shotguns
$169.00
TOKAREV USA TTF 12/18.5" BL/SY 3"
Add to wishlist
Purchase & earn 169 points!Add to cart
Quick view

    At Great Lakes Firearms of Porter, Indiana, our mission is to provide our customers with the finest firearms and ammunition available, while promoting responsible gun ownership and safety.

    Quick Links

    • About
    • Service
    • Shop
    • Blog
    • Contact

    Useful Link

    • Privacy Policy
    • Term Of Use
    • Returns Policy
    • Reviews

    Great Lakes Firearms

    • (219) 617-6679
    • 1355 Dune Meadows Dr,
      Porter, Indiana 46304

    Newsletter

    Copyright 2025, Great Lakes Firearms | All Rights Reserved.

    Shopping cart
    Close
    Start typing to see products you are looking for.
    Shop
    Wishlist
    47 items Cart
    My account