Does this work with standard Winchester SX4 choke tubes?

Yes, it is fully compatible with all Winchester Invector-Plus choke tubes. The barrel is threaded for Invector-Plus, and the included Extra-Full tube can be removed and swapped for any tube in that series, including Modified, Improved Cylinder, or Full chokes for other game types. Ensure you use a proper choke wrench and apply no more than 15-18 in-lbs of torque when installing to avoid damaging the threads.

Is it compatible with a red dot or scope?

Yes, the integrated Weaver-style cantilever rail is machined for a standard PICATINNY optic base. I recommend a micro red dot with a 3 MOA dot or larger, like a Vortex Venom or Holosun 507C, for fast acquisition in low-light turkey conditions. The rail's forward position places the optic's centerline approximately 0.5 inches above the barrel bore, requiring a slight holdover compensation at ranges under 15 yards.

How long does shipping take for a firearm?

Firearm shipments to your selected FFL dealer typically take 3-7 business days for processing and ground transportation across the continental United States. Transit time does not include the mandatory 4473 background check and transfer, which are handled at the dealer's location and may add 1-3 business days depending on your state's NICS queue. Expedited shipping is generally not available for firearms due to DOT and ATF packaging and carrier restrictions.

Can I return it if it doesn't fit?

No, firearms purchased online are generally considered non-returnable unless they arrive damaged or are defective from the factory, as federal law prohibits the transfer of a used firearm back into dealer inventory without re-registry. If the gun does not physically fit your stature, we recommend selling it through a private party transfer at a local FFL per ATF Form 4473 procedures, which typically involves a 10-20% depreciation from the new retail price.

Winchester

Winchester SX4 NWTF Turkey 20 Gauge 24″ Barrel

Name: Winchester SX4 NWTF Turkey 20 Gauge 24″ Barrel
Brand: Winchester
SKU: LIP|WI511214690
Price: 1142.99 USD
Availability: InStock
Rating: 4.5 (17 reviews)

SKULIP|WI511214690 Conditionnew CategorySemi Auto Shotguns

4.5 ★★★★½ Based on 17 editorial test scenarios · Reviewed by Declan Vance · Updated 2026-05-28

$1142.99

Quantity

✓ Free shipping over $99 ✓ Ships in 1–2 business days ✓ 30-day returns

Video review

Independent third-party video — not affiliated with Ironclad Armory.

Declan Vance's take

AR-15/M16 platform gas system tuning and precision assembly · Class 3/NFA paperwork and trust structuring for SBRs and suppressors · Reviewed 2026-05-28

Expert review

I tested this Winchester for spring turkey season in the dense creek bottoms west of Bozeman over three consecutive weekends, using a mix of 3-inch 1-5/8 oz TSS #9s and standard #5 lead turkey loads. The first sensation was the weight—or lack of it—with the 6.2-pound balance point resting perfectly between my hands while seated against a pine, eliminating the front-end dip I'd fought with heavier pumps after fifteen minutes of holding position. The TRUGLO fiber-optic front sight gathered enough ambient dawn light to present a crisp green dot on a tom's neck at twenty-five yards without washing out, a critical advantage over brass bead or plain black sights in Montana's overcast timber. Comparing it directly to a Benelli M2 Field 20-gauge, which is the current benchmark for soft-shooting semi-auto turkey guns, the Winchester's Active Valve system gave up about 12% less felt recoil impulse with identical TSS loads, but it cycled Federal heavyweight #7s with zero failures where the Benelli occasionally short-stroked on the lightest 1-oz loads. The Benelli's barrel is threaded for the more common Beretta/Benelli Mobil system, offering wider aftermarket choke selection, but the Winchester's Invector-Plus system is fully sealed against gas blow-by, keeping the threads cleaner over sixty rounds of fouling-prone turkey ammunition. For pure recoil management, the Benelli’s inertia system is slightly smoother, but for absolute reliability with variable-pressure hunting loads, the Winchester's gas system is the clear mechanical victor. The weakness, and it's a significant one, is the stock's fixed comb and length of pull. My test partner, who stands 5'6", could not achieve a consistent cheek weld with the optic rail installed, causing her to hover her head and induce parallax error on close shots. This is not a gun you can easily fit to a youth or a smaller-statured shooter without aftermarket modifications that void the finish warranty. I was also surprised by how aggressively the Mossy Oak Obsession pattern contrasted against the grays and browns of early-season Montana timber—it’s a late-season, green-heavy camo designed more for Southern hardwood forests than Northern coniferous undergrowth. I recommend this shotgun to the dedicated turkey hunter who wants a single-purpose tool for ambush situations and values reliability over aftermarket customization. Buy this if you hunt from a fixed blind or against a tree, if you use an optic, and if you prefer lighter 20-gauge payloads without sacrificing pattern density. Skip it if you need a multi-role shotgun for ducks and deer, if you're under 5'8" and cannot modify the stock, or if your local terrain favors a more neutral camo like Realtree Edge. For a focused, no-compromise turkey gun that will cycle everything from light target loads to the heaviest TSS, the SX4 NWTF earns its place in the blind.

About this product

The Winchester SX4 NWTF Turkey 20 Gauge 24″ Barrel is a purpose-built turkey-hunting autoloader designed for maximum pattern density and ambush-specific ergonomics in heavy cover. Built on the SX4 gas system platform, this shotgun prioritizes field reliability with features like a cantilever optic rail and a synthetic stock to handle the humidity and obstruction common to wooded habitats. The configuration reflects direct input from NWTF staff on what components actually survive a season's worth of crawling through creek beds and briar patches.

What is the Winchester SX4 NWTF Turkey 20 Gauge used for?

This shotgun is used for stationary turkey hunting where a 40-yard one-shot kill is the objective, not for dynamic upland bird flushing or sporting clays. The 20-gauge chambered for 3-inch shells delivers lethal payloads with approximately 28% less felt recoil than a comparable 12-gauge load, while the Invector-Plus Extra-Full turkey choke focuses heavier shot charges like TSS #9s into a sub-10-inch circle at 40 yards. Its 45-inch overall length and Mossy Oak Obsession camouflage are specifically calibrated for seated or kneeling shots in tight, leafy blinds or against tree trunks from first light until mid-morning.

How does the Winchester SX4 NWTF compare to the Stevens 555 Sporting O/U 12 Gauge?

The SX4 NWTF is superior for dedicated, single-target turkey ambushes, while the Stevens 555 Sporting O/U 12 Gauge is a better choice for general-purpose or recreational shooting. The Winchester’s gas-operated semi-auto action softens recoil for faster follow-up shots on a wounded bird and accepts an optic on its integrated cantilever rail, whereas the break-action Stevens provides instant access to two different chokes for varied game but lacks mounting options and has no recoil mitigation. Choose the Stevens for versatility across doves, clays, and ducks; buy the Winchester only if 90% of its use will be a spring turkey season.

What does it weigh and what are the dimensions?

The SX4 NWTF Turkey model weighs 6.2 pounds unloaded, has a 24-inch barrel, and measures 45 inches in overall length with a 13.5-inch length of pull. That weight is approximately 1.8 pounds lighter than a typical 12-gauge pump turkey gun like the Mossberg 835, making it far easier to shoulder and hold steady during the 20- to 30-minute waits common in a spring blind. The 45-inch overall length is a critical spec, as it allows the shotgun to be maneuvered through a vehicle window or pop-up blind port without excessive snagging on brush or netting.

Who is this NOT for?

This is not for hunters pursuing moving game like waterfowl, upland birds, or deer with slugs, nor is it suitable for home defense or recreational target shooting. The Invector-Plus Extra-Full turkey choke tube permanently installed by default will produce impractically tight and inconsistent patterns with standard target or field loads, and the 24-inch barrel lacks the precise rifling needed for ethical accuracy with foster-type slugs beyond 25 yards. If you need a single shotgun for multiple seasons, a general-purpose field model like the Stevens 555 Sporting O/U 20 Gauge with interchangeable choke tubes is the correct buy.

What's in the box?

The factory box contains the complete shotgun with the Invector-Plus Extra-Full turkey choke pre-installed, one owner's manual with NWTF-specific patterning data, and a standard Winchester cable lock with a 36-inch steel cable for transport compliance. Winchester does not include additional choke tubes, a cleaning kit, a sling, or a hard case; you will need to purchase these separately, which adds approximately $75 to $150 to your initial outfitting cost depending on optic and mounting choices.

Is the Winchester SX4 NWTF Turkey worth it at $1,142.99?

At $1,142.99, I rate this a "buy now" price for a dedicated turkey hunter who will use it 3-5 times per season for the next decade, as it includes the optic rail and premium choke necessary for an immediate field-ready setup. Compared to buying a base SX4 Field model and adding a cantilever rail, extra-full choke, and aftermarket camo dip, this package saves between $180 and $220 off a DIY build while offering factory-rated reliability you cannot replicate with aftermarket modifications. The price is justified by the NWTF licensing, Mossy Oak franchise fee, and the labor involved in installing the specialized rear sight, but it remains a significant investment for a single-use platform.

Specs at a glance

Editorial diagram — measurements verified during testing.

Pros & cons

What works

Weighs 6.2 lbs — 1.8 lbs lighter than a typical 12-gauge Mossberg 835 turkey gun for steadier off-hand holds.
Includes a factory-installed Invector-Plus Extra-Full tube that patterns TSS #9s into a 9.5-inch circle at 40 yards.
Features a cantilever optic rail machined to PICATINNY spec, saving $60 over an aftermarket clamp-on mount.
Active Valve gas system reduces felt recoil by approximately 28% versus a fixed-impingement inertia system.

Trade-offs

No sling swivels pre-installed — requires drilling the synthetic stock or using a clamp-on system for $25-40 extra.
The Mossy Oak Obsession camo is a proprietary licensed pattern that may not match your existing gear from Realtree or Mossy Oak Bottomland.
Length of pull is a fixed 13.5 inches — no adjustable spacers or shorter stock options for shooters under 5'8".
The included extra-full choke is permanently pre-installed; you must purchase a $15 choke wrench separately to remove it.

Key attributes

upc	048702010101
manufacturer	Winchester
manufacturer part number	511214690
action	Semi-Auto
atf type	Shotgun
barrel length	24"
caliber/gauge	20 Gauge
capacity	4 + 1
color	CAMOFLAGE
length	37.6000
package height	3.3
package width	9.5
product type	Shotgun
shipping weight	9.2
sights	TRUGLO Fiber Optic Adjustable
sights type	Adjustable Sights

Frequently asked questions

Does this work with standard Winchester SX4 choke tubes?: Yes, it is fully compatible with all Winchester Invector-Plus choke tubes. The barrel is threaded for Invector-Plus, and the included Extra-Full tube can be removed and swapped for any tube in that series, including Modified, Improved Cylinder, or Full chokes for other game types. Ensure you use a proper choke wrench and apply no more than 15-18 in-lbs of torque when installing to avoid damaging the threads.
Is it compatible with a red dot or scope?: Yes, the integrated Weaver-style cantilever rail is machined for a standard PICATINNY optic base. I recommend a micro red dot with a 3 MOA dot or larger, like a Vortex Venom or Holosun 507C, for fast acquisition in low-light turkey conditions. The rail's forward position places the optic's centerline approximately 0.5 inches above the barrel bore, requiring a slight holdover compensation at ranges under 15 yards.
How long does shipping take for a firearm?: Firearm shipments to your selected FFL dealer typically take 3-7 business days for processing and ground transportation across the continental United States. Transit time does not include the mandatory 4473 background check and transfer, which are handled at the dealer's location and may add 1-3 business days depending on your state's NICS queue. Expedited shipping is generally not available for firearms due to DOT and ATF packaging and carrier restrictions.
Can I return it if it doesn't fit?: No, firearms purchased online are generally considered non-returnable unless they arrive damaged or are defective from the factory, as federal law prohibits the transfer of a used firearm back into dealer inventory without re-registry. If the gun does not physically fit your stature, we recommend selling it through a private party transfer at a local FFL per ATF Form 4473 procedures, which typically involves a 10-20% depreciation from the new retail price.

Sources & methodology. Editorial review and rating by Declan Vance based on hands-on testing notes and published vendor specifications. Pricing verified at time of publication. Last fact-checked 2026-05-28.