Description
Picture this: you’re in a Missouri river bottom at dawn, the chill in the air, waiting for a deer to move. Or maybe you’re walking a field edge, hoping a turkey or pheasant flushes. You need a tool that’s versatile, reliable, and ready for the moment. That’s where the Mossberg 500 Field/Deer Pump N/A 20 Ga Mossy Oak Break-Up Country comes in. It’s a single, adaptable shotgun platform designed to handle both wing-shooting and deer hunting seasons with a simple barrel swap.
The Mossberg 500 Field/Deer Combo is a pump-action shotgun chambered in 20-gauge, featuring Mossy Oak Break-Up Country camouflage. It comes from the factory with two barrels: a 28″ vent-rib barrel with a Modified choke tube for birds and clays, and a 24″ rifled deer barrel with a cantilever scope mount for slugs. This dual-purpose setup is drop-in ready—you can switch from a squirrel hunt to a deer stand in minutes, no gunsmithing required. With an overall weight of just over 7 pounds, it’s easy to carry all day without fatigue.
Built for the Real World
This isn’t a safe queen. The Mossberg 500 action is legendary for its durability, with a steel-to-steel lockup and a twin action bar system that cycles smoothly and reliably, even in cold, wet conditions. The synthetic stock and forend are covered in Mossy Oak Break-Up Country, a pattern that blends exceptionally well in the mixed timber and field edges common across Missouri. The 20-gauge chambering offers a great balance of manageable recoil and effective power, making it an excellent choice for younger shooters or those of smaller stature who still demand performance.
The dual-barrel system is the core of its value. The 28″ field barrel gives you the swing and sight plane needed for moving targets. The included Modified choke is a great all-around tube for small game and upland birds. When deer season rolls around, you unscrew that barrel and attach the 24″ fully rifled barrel. Its integrated cantilever mount holds zero for your optic, allowing for precise slug placement out to 100 yards and beyond. At $504.39, you’re essentially getting two capable guns for the price of one.
Specifications & Details
| Specification | Detail |
|---|---|
| Gauge | 20 Gauge (3″ Chamber) |
| Action | Pump Action |
| Barrel Set | 28″ Vent Rib (Modified Choke), 24″ Rifled Deer (Cantilever Mount) |
| Overall Length | 48.5″ (with 28″ barrel) |
| Weight | Approx. 7.25 lbs |
| Capacity | 5+1 Rounds |
| Finish | Mossy Oak Break-Up Country Camo |
Pros & Cons
The Good: Incredible versatility from one receiver. Proven Mossberg 500 reliability. The 20-gauge is soft-shooting yet effective. The camo finish is durable and functional. The cantilever scope mount on the deer barrel is a huge advantage for accuracy. It’s a cost-effective way to cover multiple hunting disciplines.
The Considerations: As a pump, it requires manual cycling between shots. The 20-gauge, while capable, has less shot payload than a 12-gauge for waterfowl. You’ll need to purchase a scope separately for the deer barrel. That said, the value proposition here is hard to beat.
Who This Shotgun Is For
This is the ideal first serious shotgun for a Missouri hunter. It’s for the landowner who needs one tool for pest control, turkey, and deer. It’s for the parent introducing a teenager to hunting across multiple seasons. It’s for the hunter who values simplicity and ruggedness over semi-auto complexity. If your needs span from the dove field to the deer woods, this package covers it. This model is available at firearms-missouri.com for Missouri residents and nationwide, with an FFL transfer required for firearm purchases.
Frequently Asked Questions
Q: What scope base does the cantilever mount use?
A: The integrated cantilever mount on the rifled deer barrel is drilled and tapped for a standard Weaver-style base. This makes it compatible with a vast array of popular hunting scopes from brands like Vortex, Leupold, and Nikon.
Q: Can I use this for waterfowl hunting?
A: You can, but check regulations. The 20-gauge is legal, but you must use steel or other non-toxic shot. The Modified choke tube it comes with is not ideal for steel at longer ranges; you may want to purchase an aftermarket choke tube designed for steel shot patterns.
Q: Is the stock length adjustable?
A: The stock is a fixed-length synthetic design. For a custom fit, you can easily install a Mossberg 500-compatible aftermarket stock from brands like Hogue or Magpul, which offer shorter or longer lengths of pull.
Ready to add this versatile workhorse to your arsenal? See the Mossberg 500 Field/Deer Pump in 20-gauge on our site for full details and ordering.




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