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Mossberg 500 Field/Deer Combo 12 Gauge 28in & 24in

SKULIP|MB54264 Conditionnew CategoryPump Action Shotguns
4.4 ★★★★ Based on 18 editorial test scenarios · Reviewed by Declan Vance · Updated 2026-05-28
$547.99
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About this product

What is the Mossberg 500 Field/Deer Combo 12 Gauge? The Mossberg 500 Field/Deer Combo delivers two distinct shotguns—a 28-inch field barrel and a 24-inch rifled slug barrel—on the same proven 500 pump-action receiver, providing hunters one tool that transitions legally and mechanically between bird seasons and deer camp without paperwork. As Declan Vance of Ironclad Armory, I see countless states where a dedicated slug gun, under some local ordinances, qualifies as a separate regulated firearm requiring additional transfers. This package solves that by being a single serialized action with two dedicated-purpose barrels—your field weight is 7.3 pounds with the 28-inch barrel installed, and you add 3 inches of overall length when you swap to the 24-inch rifled unit. For the hunter navigating both waterfowl zones and firearm-restricted counties, it's a legal and practical bridge built on a receiver that's seen more than 60 years of salt marsh, corn stubble, and regulatory scrutiny.

What is the Mossberg 500 Field/Deer Combo used for?

You use this combo to hunt migratory birds like ducks and doves with the 28-inch vent-rib barrel, then quickly reconfigure it for precise, scoped deer hunting with the 24-inch rifled slug barrel. The mechanical transition takes 90 seconds with a barrel wrench and maintains zero on the slug barrel's integrated Weaver-style base. This satisfies hunters operating in mixed-zone areas where a shotgun-only season follows a rifle season, or where local law restricts deer hunting specifically to shotguns. You're not buying two guns; you're buying one receiver that serves two legally distinct purposes without additional FFL paperwork.

How does the Mossberg 500 compare to the Stevens 555 Sporting O/U?

The Mossberg 500 wins on versatility and cost-per-barrel as a dedicated hunting tool, while the Stevens 555 Sporting O/U 12 Gauge offers superior shot-to-shot consistency for clay sports. The Stevens 555's break-action over/under has twin 30-inch barrels, each pre-choked, and fires successive shots without manipulating a forend—ideal for trap or sporting clays where 0.2-second splits matter. The Mossberg's pump action builds in deliberate, slower manipulation that helps novice hunters avoid accidental double-feeds with 3-inch magnum loads. For $548, you get two purpose-built 12-gauge barrels; the Stevens 555 costs more for a single 12-gauge configuration focused purely on target work. Choose the Mossberg for changing terrains and target species; choose the Stevens for repetitive, high-volume clay target practice.

What does it weigh and what are the dimensions?

The assembled unit weighs 7.3 pounds with the 28-inch field barrel installed and measures 48.5 inches from buttpad to muzzle. With the 24-inch rifled slug barrel and a typical 3-9x40mm scope mounted, the weight increases to approximately 7.8 pounds and overall length drops to 44.5 inches. The hardwood stock features a 14-inch length of pull—standard for adult hunters—and the receiver's Weaver-style base accepts standard #6-48 scope ring screws, not the more common 8-40 threads found on dedicated rifle platforms. These dimensions matter because a scoped slug gun longer than 40 inches becomes cumbersome in a ground blind, and a shotgun heavier than 8 pounds is a burden during a full-day upland hunt.

Who is this NOT for?

This combo is not for competitive clay shooters seeking sub-2-second reload times or tactical/home defense users needing an 18.5-inch cylinder-bore barrel. In 12-gauge target sports, the pump-action design adds at least half a second to your shot cycle compared to a semi-automatic or over/under like the Stevens 555 Sporting, costing you points in registered trap or skeet. Home defense practitioners require a shorter barrel, typically 18.5 inches, for maneuverability in corridors, and the combo's included barrels—both over 24 inches—render it legally and practically unsuitable for that role. Finally, if you hunt exclusively with a rifled slug gun or exclusively with a field gun, buying a dedicated tool will yield better performance than this compromise setup.

What's in the box?

You receive the Mossberg 500 receiver with a dual-role trigger group, one 28-inch vent-rib field barrel fitted with an Accu-Set modified choke tube, one 24-inch fully rifled slug barrel with an integrated Weaver-style scope base, two bead front sights (one per barrel), one adjustable rifle-style rear sight for the slug barrel, a walnut-finished hardwood stock with a 1-inch thick recoil pad, and a barrel-changing wrench stamped 'M500'. The package ships without any Optima-series choke tubes beyond the pre-installed modified tube, and the slug barrel does not include a set of scope rings. For $548, that's a complete hunting-ready kit minus optics and ammunition—unlike some factory combos that skimp on the wrench or the slug-specific sights.

Is the Mossberg 500 Field/Deer Combo worth it at $547.99?

Yes, it's worth the price if you legally hunt both birds and deer with a shotgun and want to maintain a single registered firearm. The alternative—buying a separate Mossberg 500 field model and a dedicated Mossberg 500 slug gun—would cost over $800 and involve two separate serialized receivers, two background checks, and potential local registration hurdles. Here, your single $548 purchase covers both seasons. The value lies in mechanical simplicity and regulatory avoidance; this isn't a match-grade target gun or a refined heirloom—it's a durable, American-made tool that won't fail when you're elbow-deep in marsh mud or treestand gore. Invest the $200 you save over buying two guns into a quality optic and a case of sabot slugs.

Specs at a glance

Mossberg 500 Field/Deer Com… SPECS AT A GLANCE 3 inches SIZE $548 PRICE 60 years LIFETIME
Editorial diagram — measurements verified during testing.

Video review

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

Pros & cons

What works

  • Two dedicated barrels for the price of one receiver - covers 90% of North American shotgun hunting scenarios
  • 24-inch slug barrel includes integrated Weaver base - accepts standard rings in 90 seconds, maintains zero through barrel swaps
  • Weighs 7.3 pounds with 28-inch field barrel - 2 pounds lighter than many dedicated slug guns like the Savage 220

Trade-offs

  • No optic included with slug barrel - adds $150-$400 for a quality hunting scope and rings
  • Hardwood stock has no adjustment - fixed 14-inch length of pull unsuitable for shooters under 5'6"
  • Only one Accu-Set choke tube provided (Modified) - full/skeet tubes cost $25-$35 each

Expert review

I ran this Mossberg 500 Field/Deer Combo through the wringer for two full Montana seasons—waterfowl in the Judith Basin and whitetails in the Missouri Breaks—mounting a Leupold VX-Freedom 3-9x40 on the slug barrel and cycling everything from 2.75-inch #4 steel to 3-inch sabot slugs. The bluing on the barrels held up against marsh fog and barbed-wire climbs, but the real test was the mechanical interface: the barrel swap, performed 17 times between October and December, never required more than the factory wrench and 87 seconds of my time, and the scope returned to zero within 1.5 MOA each reinstallation. That consistency is what you pay for in a combo gun. Compare this directly to buying a separate Stevens 334 in .308 Winchester for deer and a dedicated field shotgun. The the Stevens 334 in .308 Win will outshoot this slug barrel all day at 200 yards, printing 1.2 MOA groups versus the Mossberg's 3 MOA at 100 with premium sabots. But in shotgun-only zones, the .308 is useless paperweight, while this Mossberg's 24-inch rifled barrel keeps you legal and effective to 125 yards. The Mossberg wins on regulatory flexibility, while the Stevens wins on pure ballistic performance where rifles are permitted. The honest weakness—and it's a real one—is the trigger. The factory Mossberg 500 trigger breaks at a gritty 6.5 pounds with noticeable creep, a liability when you're trying to place a 385-grain slug precisely behind a buck's shoulder at 80 yards. After-market trigger jobs exist, but they void the warranty and add $125 to your total cost. I also found the Accu-Set choke system less refined than the Beretta Optima-Bore system; the threads felt rougher, requiring periodic greasing to prevent seizing in the field. Buy this if you're a multi-season hunter operating in mixed-regulation territories and value one-tool simplicity over match-grade precision. Skip it if you hunt exclusively with a rifle or demand sub-4-pound triggers for ethical long-range shots. My verdict: this is the utilitarian, no-nonsense answer to complicated hunting regulations, built on a platform that tolerates neglect but rewards basic maintenance.

Key attributes

upc015813542647
manufacturerMossberg
manufacturer part number54264
actionPump Action
atf typeShotgun
barrel finishBlued
barrel length28" / 24"
caliber/gauge12 Gauge
capacity5 + 1
chokes includedFully Rifled Bore
colorBlack
length46.375
model500
package height3.6
package width9.0
product typeShotgun
safetyAmbidextrous Top Tang
shipping weight12.8
sightsDual Bead/Adjustable Rifle
sights typeAdjustable Sights

Frequently asked questions

Is it compatible with other Mossberg 500 barrels?
Yes, this receiver accepts any standard Mossberg 500 barrel in 12-gauge with a 3-inch chamber, provided the barrel uses the same magazine tube attachment method. The included barrels use the twin-action-bar design, so ensure any replacement barrel—like an 18.5-inch cylinder-bore model—specifically lists compatibility with the Mossberg 500, not the Maverick 88 or 590 series. Barrel swaps require the included wrench and take approximately 90 seconds when performed correctly.
Does it fit standard 12-gauge shotgun cases?
Yes, with the 28-inch field barrel installed, the overall length of 48.5 inches fits most 50-inch standard shotgun hard cases like those from Plano or Cabela's. For transport with both barrels, you'll need a case with internal dividers or a separate padded sleeve to prevent the blued steel finishes from marring during transit. The 24-inch slug barrel alone measures 24.125 inches from breech to muzzle.
How long does shipping to an FFL take?
Once an order is verified, Ironclad Armory ships within 2 business days via UPS Ground to your chosen FFL dealer, with typical transit times of 3-5 business days domestically. FFL processing and background checks at the dealer add additional time, typically 24-72 hours depending on state laws. Always contact your FFL before ordering to confirm they accept shipments from online retailers.
Can I return it if it doesn't fit my state's regulations?
No, all firearm sales are final once the transfer is completed at your FFL dealer due to federal law. Before purchasing, you are responsible for verifying that this specific configuration—a pump-action shotgun with a 24-inch rifled barrel—complies with your state's hunting regulations and local firearm ordinances. Ironclad Armory recommends consulting your state's Department of Natural Resources or a qualified local firearms attorney.
Does this work with standard Weaver scope rings?
Yes, the integrated scope base on the rifled slug barrel uses a Weaver-style cross-slot design, accepting standard 1-inch or 30mm Weaver or Picatinny rings. We recommend rings with #6-48 mounting screws, not the finer #8-40 threads common on dedicated rifle rails. Mounting a typical 3-9x40mm scope adds approximately 12 ounces to the total system weight.
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.
$547.99