Mossberg 90140 OEM 12 Gauge 20" All-Purpose Barrel with Vent Rib, Dual Bead Sights, Smooth Bore, Blued Finish, and Accu-Choke Set for Mossberg 500 & Maverick 88 6-Shot Models
$242.41
$280.00
(You save
$37.59
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- Firearm Make Fit:
- Mossberg
- Caliber-Gauge:
- 12 Gauge
- Finish-Color:
- Black
- Barrel Length:
- 20"
- Model:
- OEM
- Sights:
- Dual Bead
- Barrel Type:
- All Purpose
- Chokes Included:
- F,M,IC
- Barrel Features:
- Vent Rib
- Bore Type:
- Smooth
- Choke Configuration:
- Accu-Choke
The Mossberg 90140 OEM 12 gauge 20-inch all-purpose barrel is a versatile replacement barrel for Mossberg 500 and Maverick 88 6-shot shotguns. Whether you're switching from a rifled slug barrel to a smoothbore for bird hunting or just want a quick, practical go-to setup, this barrel delivers the flexibility serious shotgun shooters need. The 20-inch length keeps things handy without sacrificing patterns, and the blued finish resists corrosion through seasons of field use.
What sets this barrel apart is the functional simplicity: a vent rib runs the top to help manage heat and improve sight tracking, and dual bead sights give you a reliable aiming reference that works whether you're shooting clays, upland game, or running drills at the range. The smooth bore accepts the included Accu-Choke set (Improved Cylinder, Modified, and Full), so you can dial in your shot pattern for different distances and game without swapping barrels—just unscrew one tube and screw in another. A choke wrench comes in the box so you're not hunting for tools.
This is genuine OEM Mossberg hardware, engineered to the same tolerances as factory original. If you own a Mossberg 500 or Maverick 88 with a 6-shot magazine tube, swapping to this barrel takes minutes. Note that it is not compatible with the Mossberg 500 Cruiser (#54125) or 500 Chainsaw (#50460) models.
Key Features
- 20-inch smoothbore barrel for all-purpose hunting and sport shooting
- Vent rib helps manage recoil perception and improves sight picture
- Dual bead front and rear sights for fast, intuitive target acquisition
- Includes three Accu-Choke tubes (Improved Cylinder, Modified, Full) and wrench for pattern customization
- Blued steel finish for corrosion resistance
- Quick-change design—swap barrels in minutes without gunsmithing
Specifications
| Gauge | 12 |
| Barrel Length | 20" |
| Bore Type | Smoothbore |
| Rib Style | Vent rib |
| Sights | Dual bead (front and rear) |
| Finish | Blued |
| Choke Tubes Included | Improved Cylinder, Modified, Full + wrench |
| Compatible Models | Mossberg 500 and Maverick 88 6-shot models |
| Not Compatible With | Mossberg 500 Cruiser (#54125), 500 Chainsaw (#50460) |
Frequently Asked Questions
Will this barrel fit my Mossberg shotgun?
The Mossberg 90140 is designed for Mossberg 500 and Maverick 88 models with 6-shot magazine tubes. It is not compatible with the 500 Cruiser (#54125) or 500 Chainsaw (#50460). If you own either of those models, check the product documentation or contact us to confirm fit before ordering.
What choke tubes come with this barrel?
The barrel includes three Accu-Choke tubes: Improved Cylinder, Modified, and Full. A choke wrench is also included so you can swap tubes in the field to adjust your shot pattern for different game and distances.
Can I use this barrel for both hunting and clay shooting?
Yes. The 20-inch smoothbore barrel with dual bead sights is versatile enough for upland hunting, waterfowl, sport clays, and range practice. The included choke selection lets you tune the pattern for whatever you're shooting that day.
How do I install this barrel on my Mossberg 500?
Mossberg shotgun barrels are quick-change: remove the foregrip, unscrew the old barrel, and screw on the new one. The whole process takes minutes and requires no special tools. Refer to your shotgun's manual for detailed steps.
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