Description
Building or upgrading an AR-10 doesn't always mean spending big. This TacFire barrel is purpose-built for the DPMS pattern AR-10 platform in .308 Winchester, giving you a proven, no-fuss replacement barrel for hunters, range shooters, and builders on a realistic budget.
The black nitride finish deserves a quick mention because it's doing real work here. Nitride is tougher and more corrosion-resistant than basic parkerize, and it's easier to clean than chrome-lined. You'll spend less time scrubbing after a range session and more time behind the trigger. The finish is also slicker, which means smoother function and less fouling buildup over time.
20-Inch Barrel Length for Practical Performance
Twenty inches strikes a balance that works for most situations. You're getting solid velocity from the .308 Winchester cartridge without the extra weight and front-heavy feel of longer barrels. It's long enough to be useful on deer hunts and precision shooting out to reasonable distances, but short enough that you're not swinging around a club when you need to move. The extra inch or two compared to 16-inch barrels makes a real difference in trajectory and recoil impulse.
1:10 Twist Rate for Flexible Ammunition
The 1:10 twist is the modern standard for .308 builds and there's good reason. It stabilizes bullets from roughly 150 grains up through 180-grain match rounds, covering most ammunition you'll actually shoot. Whether you grab whatever hunting ammo is available or load handcrafted precision rounds, this barrel will handle it. You're not locked into any particular bullet weight or manufacturer.
This is a straightforward replacement barrel built for AR-10 pattern rifles. Drop it into your build, headspace it properly, and you've got a barrel that will keep shooting long after you've broken in the brass.
Key Specifications
- Caliber: .308 Winchester
- Barrel Length: 20 inches
- Twist Rate: 1:10 inches
- Finish: Black Nitride
- Platform: AR-10 (DPMS Pattern)
- Manufacturer: TacFire
- Manufacturer Part Number: BAR308WIN11020N
- UPC: 659725299253
- Gas Block Journal: .750 inch
- Muzzle Thread: 5/8×24
What’s Included
- TacFire AR-10 Barrel .308 Winchester 20 inch
Frequently Asked Questions
Will this TacFire barrel work with my AR-10 lower?
This barrel is built for DPMS pattern AR-10 rifles. Check what pattern your lower is before ordering—DPMS and Armalite are the two main patterns and they're not interchangeable. If you're unsure, measure or check your rifle's documentation.
What ammo does the 1:10 twist stabilize?
The 1:10 twist handles 150 to 180-grain bullets reliably, covering most hunting rounds and match ammunition you'll find. This makes it a flexible choice if you're switching between different loads or ammunition brands.
How often should I clean a nitride barrel?
Nitride barrels are easier to maintain than chrome-lined ones. You won't need to clean as frequently, but it's still good practice to clean after each shooting session. Carbon wipes away cleanly, and the nitride finish resists fouling buildup better than other coatings.
Is this barrel headspaced?
No, replacement barrels don't come headspaced. You'll need to headspace the barrel when you install it into your upper receiver. If you're not comfortable doing this yourself, a gunsmith can do it quickly and affordably.




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