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Faxon Match Series AR10 Barrel 308 WIN 20″ 1:10 5R Spiral Fluted

UPC: 816341028593

$299.00

5 in stock

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Description

Faxon's Match Series spiral fluted barrel is the kind of upgrade that quietly changes how a .308 AR10 shoots. Starting with 416-R stainless steel and 5R button rifling, it's cut for the platform and geared toward folks chasing tight groups without babying the rifle. The 5R geometry runs lands opposite grooves with softer angles, which helps cut down on jacket deformation and makes cleaning less of a chore. It ships with a 1:10 twist that plays nicely with heavier match projectiles, and the field notes from precision guys back that up, with 175-grain loads tending to be the sweet spot.

What Sets the Match Series Spiral Fluted Barrel Apart

The whole thing gets salt bath nitrided (QPQ) inside and out, which locks in the bore, fights corrosion, and helps keep fouling from building up. The spiral fluting isn't just for looks. It shaves weight off the profile and adds surface area to help the barrel shed heat during longer strings, all while holding onto the rigidity you want out of a precision barrel. Every barrel is magnetic particle inspected and capped with a recessed 11-degree target crown to protect the rifling where it matters most.

Building on a 20" .308 AR10 Platform

Running a rifle-length gas system, this barrel gives you a smoother recoil impulse and good dwell time, which translates to easier tuning and more consistent cycling. The 20-inch length hits a nice balance of velocity and handling, so you're not lugging around a 24-inch bull barrel but still getting real reach on target. The extension is DPMS/LR-308 compatible and coated in Nickel Teflon for dry lubricity and a snug fit at the receiver interface. Muzzle threads are 5/8×24, the gas block journal is .750" with a 1.1" journal length, so most standard AR10 components drop right on.

Made in-house in Greater Cincinnati, Ohio, and backed by the Faxon Lifetime Guarantee. Whether you're chasing a buzzer or a bullseye, this one earns its keep.

Key Specifications

  • Manufacturer: Faxon Firearms
  • MPN: 10B810R20SHQ5RNP3
  • UPC: 816341028593
  • Caliber: .308 Win / 7.62 NATO
  • Barrel Length: 20"
  • Twist Rate: 1:10
  • Rifling: 5R Button Rifled
  • Profile: Spiral Fluted
  • Material: 416-R Stainless Steel
  • Finish: Salt Bath Nitride (QPQ) Inside & Out
  • Gas System: Rifle-Length (1.1" Journal)
  • Gas Block Diameter: .750"
  • Muzzle Thread: 5/8×24
  • Muzzle Crown: Recessed 11° Target Crown
  • Barrel Extension: DPMS/LR-308 Compatible, Nickel Teflon Coated
  • Inspection: Magnetic Particle Inspected

What’s Included

  • Faxon Match Series 20" Spiral Fluted .308 Win AR10 barrel

Frequently Asked Questions

Will the Faxon AR10 barrel fit a DPMS/LR-308 pattern receiver?

Yes, this barrel uses a DPMS/LR-308 compatible extension, so it drops into standard DPMS-pattern AR10 upper receivers. The extension is Nickel Teflon coated for a snug fit at the receiver interface. As always, confirm compatibility with your specific bolt, receiver set, and other components before assembly.

What bullet weights does the 1:10 twist handle best?

The 1:10 twist is well suited to heavier match-grade .308 projectiles, and field results tend to favor 175-grain loads for the best consistency. It'll stabilize a range of common .308 Win bullet weights, so you have room to experiment with different factory ammo and handloads to find your rifle's preference.

Is this a honed and lapped match barrel?

No. The Match Series uses 416-R stainless, 5R button rifling, and QPQ nitride inside and out, but it is not honed and lapped. That extra step is reserved for Faxon's MATCH-X Series barrels, which carry an uncoated stainless exterior instead of nitride.

What does the QPQ nitride finish do for this barrel?

The salt bath nitride (QPQ) treatment is applied inside and out, which improves corrosion resistance and surface wear. It also helps reduce fouling, so cleaning goes quicker, and it supports a long service life for the barrel.

Additional information

UPC

816341028593

Manufacturer

Manufacturer Part Number

10B810R20SHQ5RNP3

Caliber/Gauge

.308 / 7.62 NATO

Length

20"

Sights

No

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