Description
If you want your 870 to handle serious slug work, this Mossberg barrel changes the game. The fully rifled bore is purpose-built for sabot slugs, which means you'll get dramatically better accuracy compared to what a smoothbore can manage. At extended distances, the difference is night and day.
Mossberg 90048 Slug Barrel Features
The 24-inch length is a sweet spot for slug hunting. It's long enough to deliver consistent velocity and sight radius without feeling cumbersome. The blued steel construction matches the classic 870 aesthetic while holding up to regular use. The adjustable rifle sights mount right on the barrel, so you don't need to modify your receiver or invest in a cantilever mount if you prefer irons.
What You Get With the Rifled Bore
Rifled barrels like this one are where sabot slugs truly shine. These aren't your grandfather's slugs—modern sabots separate as they leave the barrel and fly with rifle-like precision. You can expect tight, repeatable groups at 100 yards and beyond, especially once you find the load your gun prefers. The typical twist rate in shotgun slug barrels is 1:35, which is ideal for stabilizing these projectiles.
Installation and Compatibility
Swapping barrels on an 870 takes seconds—just unscrew the magazine cap and slide the old barrel off. This one fits standard 12-gauge 870 receivers. Keep in mind it's not compatible with 870 12-gauge 3.5" Magnum models, but it works with standard 2.75" and 3" chambers. No gunsmithing needed.
Key Specifications
- Manufacturer: Mossberg
- Manufacturer Part Number: 90048
- UPC: 015813900485
- Gauge: 12 Gauge
- Barrel Length: 24 inches
- Barrel Type: Fully Rifled Slug Barrel
- Sights: Adjustable Rifle Sights
- Finish: Blued
- Fit: Remington 870 Standard and Magnum
- Bore Type: Rifled
- Choke: Cylinder Bore
What’s Included
- Mossberg 90048 24 inch rifled slug barrel
- Adjustable rifle sights
Frequently Asked Questions
Can I use sabot slugs with this Mossberg rifled barrel?
Yes, this rifled barrel is designed for sabot slugs, which deliver superior accuracy compared to traditional foster slugs. Sabot slugs separate as they exit the barrel and provide rifle-like precision, especially at extended range. Foster slugs can be used but will create fouling and won't be as accurate.
Is the Mossberg 90048 compatible with 870 3.5" Magnum receivers?
No, this barrel is not compatible with 3.5" Magnum models. It works with standard Remington 870 receivers chambered for 2.75" and 3" shells. Check your receiver marking to confirm compatibility before ordering.
Do I need any tools to install this barrel on my 870?
No special tools are required. Simply unscrew the magazine cap on the end of your magazine tube, and the barrel slides right off. The new barrel installs the same way—a straightforward swap that takes just a minute or two.
What's the advantage of the adjustable rifle sights versus a scope?
Rifle sights offer instant target acquisition, work in all lighting conditions, and require no batteries. They're fast for hunting situations where a quick shot matters. They're also less expensive than quality scopes. That said, a scope with a rifled barrel setup can extend your effective range even further if that's your priority.





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