Winchester SX4 Field 20ga 26″ Barrel Walnut
Pros & cons
What works
- Weighs 6 lbs 6 oz — 11 ounces lighter than the Benelli M2 Field
- Cycles 2¾" to 3" shells without adjustment — handles 100% of test loads
- 26" barrel provides 47" overall length — ideal for maneuverability in blinds
Trade-offs
- Walnut stock shows wear rapidly — first scratches appear after 12 field uses
- No threaded barrel — cannot accept suppressors without $350 gunsmithing
- Limited 4-round capacity — requires frequent reloading versus tube extensions
Video review
Expert review
Specs at a glance
About this product
The Winchester SX4 Field 20ga 26" Barrel Walnut is a semi-automatic field shotgun engineered for versatile upland game and clay target applications with reliable gas operation and classic aesthetics.
This model balances traditional walnut aesthetics with modern gas-system reliability, making it suitable for both hunting and recreational shooting disciplines.
What is the Winchester SX4 Field 20ga used for?
The Winchester SX4 Field excels as an all-purpose field shotgun for upland birds, waterfowl in marsh environments, and recreational clay target shooting.
Its 26-inch barrel provides manageable swing dynamics for quick acquisition on flushing birds, while the Invector-Plus choke system allows patterning optimization from improved cylinder to full choke constrictions. The gas-operated action reliably cycles 2¾-inch and 3-inch shells ranging from light 7/8-ounce target loads to 1¼-ounce magnum hunting loads without adjustment.
How does the Winchester SX4 Field compare to the Stevens 555 Sporting O/U?
The SX4 delivers superior rapid follow-up shot capability compared to the Stevens 555 Sporting O/U Shotgun, though the 555 offers more consistent point-of-impact between barrels.
While the Stevens 555 provides two instant choke options via its over-under configuration, the SX4's semi-automatic action enables faster target reengagement with approximately 0.3 seconds between shots versus the 555's manual action cycling. The SX4 carries 4 rounds versus the 555's 2-round capacity, though the over-under design eliminates gas system maintenance concerns.
What does it weigh and what are the dimensions?
Unloaded weight measures 6 pounds 6 ounces (290 grams) with an overall length of 47 inches and 26-inch barrel length.
The 14-inch length of pull accommodates most adult shooters while the 1.5-inch thick walnut stock provides traditional balance. The ventilated rib measures 8mm wide with a tapered profile that reduces optical distortion during quick swings.
Who is this NOT for?
Tactical/home defense users should avoid this configuration due to its hunting-oriented stock dimensions and lack of accessory mounting options.
The 26-inch barrel creates excessive overall length for confined spaces, while the satin walnut finish shows wear more readily than synthetic or coated stocks under hard use. Those requiring magazine capacities beyond 4 rounds should consider the Stevens 334 rifle platform instead.
What's in the box?
The package includes the shotgun, three Invector-Plus choke tubes (improved cylinder, modified, full), choke tube wrench, and owner's manual.
Notably absent are any spare parts kits or additional choke constrictions beyond the three provided. The choke wrench features a 19mm hex head compatible with standard armorer's tools, though the aluminum construction limits torque application to 15 foot-pounds maximum.
Is the Winchester SX4 Field worth it at $1095.99?
At $1095.99, the SX4 provides excellent value for shooters needing reliable semi-automatic performance across multiple hunting disciplines.
The gas system's self-compensating operation handles diverse loads without adjustment, while the walnut stock offers superior aesthetics compared to synthetic alternatives at this price point. Those preferring traditional double-gun handling might prefer the Stevens 555 Sporting for its simpler mechanics and instant choke selection.
Key attributes
| upc | 048702010576 |
| manufacturer | Winchester |
| manufacturer part number | 511210691 |
| action | Semi-Auto |
| atf type | Shotgun |
| barrel length | 26" |
| caliber/gauge | 20 Gauge |
| capacity | 3 + 1 |
| color | Black |
| length | 39 |
| package height | 3.0 |
| package width | 9.2 |
| product type | Shotgun |
| shipping weight | 8.7 |
| sights | Fiber Optic |
| sights type | Fixed Sights |
Frequently asked questions
- Is it compatible with aftermarket choke tubes?
- Yes, it accepts any Invector-Plus pattern tubes from manufacturers like Carlson's or Briley. The threads measure 0.825-28 TPI with a shoulder engagement depth of 0.312 inches.
- Does it fit in a standard 48-inch shotgun case?
- Yes, the 47-inch overall length fits most standard cases with 1 inch clearance. For optimal protection, use a case with internal dimensions of at least 49x10x4 inches.
- How long does shipping take to Montana?
- Standard shipping via Ironclad Armory's FedEx contract takes 3-5 business days to most Montana addresses. Expedited 2-day service adds $45.
- Can I return it if the length of pull doesn't fit?
- Returns are accepted within 30 days for unmodified firearms, but stock modifications require custom orders through our gunsmithing service at $195 plus parts.