Description
This is Mossberg's factory 24-inch Slugster barrel built for 20 gauge Mossberg 500 and Maverick 88 6-shot models. It swaps onto your pump in a couple of minutes and turns a field gun into a dedicated slug rig, no gunsmith required. The bore is fully rifled with a 1:36 twist, and the 3-inch chamber handles both 2 3/4 and 3-inch shells, so you have plenty of load options when you head to the woods.
What the Rifled Slugster Bore Gets You
A fully rifled bore is what separates this barrel from a smoothbore field tube. The rifling grips the plastic sabot and spins the projectile, which is where the real accuracy comes from. Feed it sabot slugs and this barrel will group far tighter than any bead-sighted field barrel shooting Fosters. Sabots and rifled barrels are made for each other, so match your ammo to the bore and skip the smoothbore slug loads if you want the tightest groups. Every barrel has its favorites, so it pays to try a few brands like Hornady, Winchester, or Remington and let the paper tell you which one your gun likes best.
Sights and Setup on the 20 Gauge Slug Barrel
The adjustable rifle sights are the sleeper feature here. You get a real front and rear setup you can dial in for windage and elevation, which is a big step up from squinting down a bead. If you'd rather run glass, plenty of later Mossberg 500 receivers come drilled and tapped, so a scope base is an easy add for longer pokes at whitetails.
Why the 20 Gauge Makes Sense
The 20 gauge earns its keep in a slug gun. It carries light, kicks noticeably less than a 12, and modern sabot loads have closed much of the performance gap. That softer recoil makes it a smart pick for younger hunters, smaller-framed shooters, or anyone who wants to stay on target for a fast follow-up. Drop this barrel on your 500 and you've got a capable, no-fuss deer gun that shoots where you look.
Key Specifications
- Manufacturer: Mossberg
- Manufacturer Part Number: 92062
- UPC: 015813920629
- Model: 500 Slugster (OEM)
- Gauge: 20 Gauge
- Barrel Length: 24 inches
- Chamber: 3 inch
- Bore: Fully Rifled
- Rifling Twist: 1:36
- Sights: Adjustable Rifle Sights
- Chokes Included: None (Fully Rifled)
- Material: Steel
- Finish: Blued
- Fits: Mossberg 500 and Maverick 88 20 Gauge 6-Shot Models
What’s Included
- Mossberg 500 24" 20 gauge fully rifled Slugster barrel with adjustable rifle sights
Frequently Asked Questions
What guns does this Mossberg 500 slug barrel fit?
It's built for 20 gauge Mossberg 500 and Maverick 88 6-shot models. Since it's a factory OEM barrel, it drops right in and holds the same fit and function as your original barrel. It swaps out in a couple of minutes with no tools beyond loosening the magazine cap.
Should I shoot sabot slugs or Foster slugs in this rifled barrel?
This barrel is fully rifled, so sabot slugs are the way to go for the best accuracy. The rifling grips the sabot sleeve and spins the projectile, which is exactly what tightens up your groups downrange. Foster slugs will fire, but you're leaving accuracy on the table by not matching your ammo to a rifled bore.
Is this Mossberg Slugster barrel ported?
No, the 92062 is not ported. It's a straightforward 24-inch fully rifled barrel with adjustable rifle sights and a blued finish. If you want porting to help tame muzzle rise, you'd be looking at a different barrel, but the 20 gauge already kicks light enough that most hunters don't miss it.
Can I mount a scope on this 20 gauge slug barrel?
The barrel itself comes with adjustable iron rifle sights rather than a scope mount. Many later Mossberg 500 receivers are drilled and tapped from the factory, so you can add a scope base to the receiver if you want optics. A scope really lets a rifled barrel and sabot slugs stretch out on whitetails.





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