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. The Invector-Plus interchangeable choke tube system gives the versatility needed for a dense pattern at distance required. Built for durability, the composite stock features textured grip surfaces for added security in all conditions.
Features:
- Improved Ergonomics, rounded close radius grip, and textured gripping surfaces
- Spring-Loaded Ejector
- Larger Bolt Handle and Oversized Bolt Release Button
- Reversible Crossbolt Safety
- Back-Bored Technology
- Self-Adjusting Active Valve System
- Hard Chrome-Plated Chamber and Bore
- Drop-Out Trigger Group
- Synthetic stock in Flat Dark Earth
- 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
- Picatinny optics rail
- Chrome-plated chamber and bore
Specs:
General:
| Canada Legal Classification | Non-Restricted | Action | Semi-auto | |
| Handedness | Ambidextrous | Optic Interface | Receiver Mounted (13) Slot NAR/Picatinny Rail, Drilled and Tapped Receiver for Winchester SXP, SX4, SX3, SX2, 1300 Spec | |
| Rear Sight | Supplied Picatinny Mounted Fully Adjustable Protected Steel LPA BAR11WD2 (2) White Dot Peep | Front Sight | Barrel Mounted Elevation Adjustable Protected Steel LPA SG4M1B White Dot | |
| Default Sight Radius (in; cm) | Rear Sight Installation Dependent | Grip Type | Stock Integrated Pistol Grip Textured | |
| Pistol Grip Cap | Composite Flat Dark Earth | Trigger Type | Non-Adjustable | |
| Trigger Material | Metal | Trigger Compatibility | Winchester SX4 Right Hand | |
| Min Trigger Pull (lbs; N) | ~5.5; 24.5 | Max Trigger Pull (lbs; N) | ~5.5; 24.5 | |
| Observed Trigger Pull (lbs) | ~5.5 | Safety | Manual Crossbolt | |
| Manual Safety Position | Trigger Group Mounted, Behind Trigger | Magazine Interface | Fixed Tube, Receiver Underside Loading | |
| Magazine Compatibility | Winchester SX4 | Magazine Capacity (2 3/4″ Shells) | 4 | |
| Default Length (in; mm) | 39.5; 1003.3 | Min Length (in; mm) | 39.5; 1003.3 | |
| Max Length (in; mm) | 40.0; 1016 | Min Width (in; mm) | ~2.5; 63 | |
| Max Width (in; mm) | ~2.5; 63 | Min Height (in; mm) | ~8.6; 217 | |
| Max Height (in; mm) | ~8.6; 217 | Weight w/o Magazine (lbs; kg) | N/A | |
| Weight w/ Empty Magazine (lbs; kg) | 6.875; 3.1184475 | Accessory Interfaces | Flat Dark Earth Sling Stud Buttstock, Magazine Cap |
Receiver:
| Operating Mechanism | Active Valve Short Stroke Gas Piston Operated, Tilting Bolt, Cock on Open | Action Size | 3″ Ejection Port | |
| Receiver Type | Winchester SX4 12 Ga Right Hand | Lower Receiver Material | Aluminum Alloy | |
| Lower Receiver Finish | Cerakote Flat Dark Earth | Upper Receiver Material | Aluminum Alloy | |
| Upper Receiver Finish | Cerakote Flat Dark Earth | Stock Interfacing Mechanism | Direct to Receiver via Threaded Stock Bolt | |
| Stock Interfacing Mechanism Material | Steel | Stock Interfacing Mechanism Finish | Standard | |
| Barrel Interfacing Mechanism | Direct to Receiver | Barrel Securing Mechanism | Threaded Magazine Cap; Locked Bolt | |
| Barrel Securing Mechanism Material | Metal; Steel | Barrel Securing Mechanism Finish | Flat Dark Earth; Matte Blued | |
| Recoil Lug | None | Recoil Lug Material | N/A | |
| Recoil Lug Finish | N/A | Feed Type | Push | |
| Ejection | Receiver Mounted Spring Loaded Ejector | Ejection Direction | Right | |
| Bolt Type | (2) Piece Bolt and Carrier | Bolt Material | Steel | |
| Bolt Finish | Matte | Bolt Head Type | Integral Part of Bolt | |
| Bolt Lock | (1) Rear Bolt Lug | Operating Handle | Reciprocating Right Side Bolt Mounted, Scalloped Textured | |
| Operating Handle Material | Steel | Operating Handle Finish | Matte Black Chrome | |
| Bolt Hold Open | Empty Magazine | Bolt Release | Right Side Receiver Mounted Button | |
| Trigger Guard Type | Part of Trigger Group, Enlarged | Trigger Guard Material | Composite | |
| Trigger Guard Finish | Matte Black | Trigger Guard Engraving | None | |
| Magazine Release Type | None | Magazine Release Position | N/A | |
| Magazine Cutoff | None | Anti-Release Magazine Lock Mechanism | Threaded Magazine Cap |
Buttstock:
| Stock Type | (2) Piece Receiver Attached Pistol Grip Full Size | Stock Fit | Winchester SX4 | |
| Stock Material | Composite | Stock Finish | Flat Dark Earth | |
| Buttpad | Soft Synthetic Inflex 2 | Adjustable Length of Pull | (2) Supplied Buttpad Spacers | |
| Default Length of Pull (in; cm) | 14.25; 36.195 | Min Length of Pull (in; cm) | 14.25; 36.195 | |
| Max Length of Pull (in; cm) | 14.75; 37.465 | Adjustable Comb | No | |
| Min Drop at Comb (in; cm) | 1.75; 4.445 | Max Drop at Comb (in; cm) | 1.75; 4.445 | |
| Min Drop at Heel (in; cm) | 2; 5.08 | Max Drop at Heel (in; cm) | 2; 5.08 | |
| Adjustable Cast | No | Adjustable Pitch | No |
Forend:
| Forend Type | Full Magazine Length, Mounted to Barrel and Receiver | Forend Fit | Winchester SX4 12 Ga | |
| Forend Material | Composite | Forend Finish | Flat Dark Earth |
Barrel:
| Barrel Length (mm) | 469.9 | Caliber Marking | 12 Ga. | |
| Chamber Size (mm) | 76 | Steel Shot Rated | SAAMI Spec | |
| Barrel Profile | Round | Barrel Material | Steel | |
| Barrel Finish | Cerakote FDE | Chamber Finish | Hard Chrome-Plated | |
| Rifling | None | Twist Rate | N/A | |
| Choke | Pre-installed Full; Supplied Modified, Improved Cylinder | Choke Thread | Browning/Winchester Invector Plus Spec |
Additional Information:
The experience of the Super X Pump is real. Pick up the Winchester® Super X Pump shotgun and experience the light weight, centered balance and instant pointability firsthand. The Super X design provides you with the fastest follow-up shots. No other pump offers the feeling of an inertia-assisted slide-action that can deliver three shots in a half second.
The world’s fastest pump action shotgun. Whether its super-speed clays or fast-flushing upland game, keep up with shooting’s fastest action with the Super X Pump, the perfect choice for pump shotgun lovers. Because of its inertia-assisted slide-action, it’s the fastest in the world for follow-up shots. Three shots can be delivered in just a half second. Cycle one through and see if it’s not the finest fitting, sweetest handling and fastest pump out there.
Back-Bored Technology is based on extensive research and testing to find the secret to tighter, more consistent patterns. Instead of the traditional bore size of .729″, this research shows the ideal 12 gauge interior diameter is .742″. In 20 gauge barrels the ideal bore diameter is .630″ instead of the standard .618″. If the bore is any larger the gases will blow by the shot cup and reduce pellet velocity. If the bore is too tight the pellets are deformed as they pass through the forcing cone, causing poor ballistic performance.
Chrome-Plated Chamber and Bore are critical for today’s steel and Hi-Density (HD) shot. Hard chrome makes the surfaces highly resistant to wear and gives you superior protection from rust and corrosion. That’s why all smoothbore Super X® Pump shotguns feature a hard-chromed chamber and bore.
From the duck blind to the firing line, the INVECTOR-PLUS™ Choke Tube System is the world’s most consistent. The Super X® Pump comes with full, modified and improved cylinder flush-mounted choke tubes so the gun is ready for anything, right out of the box.
Speed-Plug System makes it easy to remove the three-shot adaptor. Just remove the magazine cap, push on the spring retainer holding the spring in place, twist and remove the adaptor. This trouble-free design that lets the shooter “pull the plug” in mere seconds without tools.
The Trigger Guard on the Super X® Pump has been redesigned with a larger opening. A larger, Ambidextrous “Safety” Button has also been added and can be reversed to offer easier operation for left-handed shooters.
Drop-Out Trigger Group is simple to remove. Push out one pin and pull the complete trigger system out for cleaning, lubrication and inspection. It’s an easy way to keep the Super X® Pump shotgun in top shape, regardless of nasty weather or gritty shooting conditions.
Four massive Rotary Bolt Lugs provide support, strength and solid lockup in the barrel of the lightning-fast Super X® Pump. Under recoil, the mass of the shooter slows the rearward travel of the shotgun, while the inertial motion of the bolt, slide and forearm continue cycling the action to give a head start ejecting the fired shell.
The Super X® Pump has the best recoil pad ever put on a shotgun. Directional rib structures inside the INFLEX® Technology Recoil Pad help channel the recoil impulse by moving the comb down and away from the cheek. The pad’s smooth textured surface makes shouldering the Super X Pump snag free.
A pair of robust steel Action Guide Bars eliminate the twisting and binding that waste time and energy when cycling the action.
Black Chrome Finish on the bolt, barrel, slide, action bars and other parts protects better than conventional bluing and stands up to years of wear and harsh conditions.
Durable E-Coating on the magazine tube helps protect it from wear and corrosion to keep it looking sharp for years to come.
| Part Number | 511319395 |
Disclaimer:
Manufacturers, importers, suppliers, and distributors may make changes to their products without fanfare. Such changes can lead to discrepancies between the advertised product and the actual product in inventory. While International Shooting Supplies Ltd. endeavors to correctly describe the actual product in inventory, we will not be responsible for unintentional inaccuracies in text and images of the advertised product.
