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Stoeger

Stoeger M3020 Semi-Auto Shotgun Mossy Oak Bottomland 26" Barrel Length

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

Inertia Driven

Semi-automatic action cycles 2-3/4" or

26" Barrel

Ventilated, stepped rib supports quick

Fiber-optic Front

Sight is designed for low-light

Includes Shim

Kit for improved shooter fit

Mossy Oak

Bottomland finish and 4+1 round

$649.99
List Price: $699.99
You Save: $50.00 (7%)
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SKU: 36004-037084360041

Overview

Built for hunters who want a straightforward semi-auto in a compact 20-gauge package, this shotgun is suited to field use where quick handling and dependable cycling matter. Its inertia-driven action is designed to run 2-3/4" or 3" shells without adjustment, while the ventilated, stepped rib and fiber-optic front sight support fast sighting in changing light. The included shim kit adds flexibility for achieving a better fit to the shooter. With a Mossy Oak Bottomland finish and 26" barrel, it fits naturally into upland and other outdoor hunting setups without unnecessary complexity.

Why Hunters Choose the Stoeger

Inertia Driven

Action cycles 2-3/4" and 3"

Ventilated, Stepped

Rib supports quicker target acquisition

Fiber-optic Front

Sight aids visibility in low-light

Shim Kit

Helps provide a more tailored

Mossy Oak

Bottomland finish suits hunters wanting

Key Features

  • Inertia Driven semi-automatic action cycles 2-3/4" or 3" 20-gauge shells without adjustment.
  • 26" barrel with ventilated, stepped rib supports quick target acquisition.
  • Fiber-optic front sight is designed for low-light visibility.
  • Includes a shim kit for improved shooter fit.
  • Mossy Oak Bottomland finish and 4+1 round capacity.
  • Right-hand configuration with 5.6 lb. listed gun weight.

Best Used For

  • Hunters wanting a 20-gauge semi-auto for 2-3/4" or 3" shells without adjustment
  • Right-handed shooters seeking a 26-inch barrel and shim kit for fit tuning
  • Field users who want Mossy Oak Bottomland camouflage for blended outdoor carry
  • Hunters needing quick sight acquisition with a fiber-optic front sight in low light
  • Shooters looking for a lightweight 5.6-pound shotgun for range or field use

Specifications

ActionSemi-Automatic
Barrel Length26"
Blade FinishMossy Oak Bottomland
ColorMossy Oak Bottomland
Fiber Optic Front SightYes
Gauge20 Gauge
Gun Weight5.6 lbs.
HandRight
Inertia Driven ActionYes
Round Capacity4 + 1
Shell Compatibility2-3/4" or 3"
Shim KitIncluded
Ventilated Stepped RibYes

Pros

  • Inertia Driven action cycles 2-3/4" and 3" 20-gauge shells without adjustment.
  • Ventilated, stepped rib supports quicker target acquisition.
  • Fiber-optic front sight aids visibility in low-light conditions.
  • Shim kit helps provide a more tailored shooter fit.
  • Mossy Oak Bottomland finish suits hunters wanting a camouflaged look.
  • 5.6-pound weight keeps the shotgun relatively easy to carry.

Considerations & Trade-offs

  • The 4 + 1 capacity means this shotgun is not built for high-round-count use without reloading, so it suits hunting and field use more than extended volume shooting.
  • It is a right-hand configuration, which limits suitability for left-handed shooters.
  • The 26" barrel length is a field-oriented setup that favors a hunting role, but it may feel less compact than shorter-barreled options when moving in tight cover or transporting.
  • The shim kit helps with fit adjustment, but final comfort and pointability still depend on the shooter’s individual setup and preference.

Suggested Comparisons

  • Semi-automatic 20-gauge shotguns
  • Pump-action shotguns
  • Over-under shotguns
  • Youth or lightweight shotguns

Suggested Accessories

  • Shotgun case
  • Gun cleaning kit
  • 20-gauge ammunition
  • Sling

Frequently Asked Questions

What shell sizes does the Stoeger M3020 cycle?

According to the product data, the Inertia Driven action cycles 2-3/4" or 3" 20-gauge shotgun shells without adjustment.

What is the magazine capacity?

The listed round capacity is 4 + 1.

Is this shotgun set up for quick target acquisition?

Yes. The product description notes a ventilated, stepped rib and a fiber-optic front sight for quick target acquisition, including in low-light conditions.

Does it include a fit adjustment system?

Yes. The Stoeger M3020 includes a shim kit to help provide an optimum fit.

What are the listed configuration details for this model?

The provided specifications list it as a 20 gauge, semi-automatic shotgun with a 26" barrel, Mossy Oak Bottomland finish/color, right-hand configuration, and a listed gun weight of 5.6 lbs.