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Ballistic Advantage

Ar .308 Modern Series Barrels .308 - Ar 308 Rifle-Length 20 Barrel Heavy Profile

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

.308 Chambered

A 12.5-inch Tactical Government profile

Machined From

4150 Chrome Moly Vanadium steel

Qpq Corrosion

Resistant finish on the barrel

Qpq Coated

M4 feed ramp extension

.750-inch Gas

Block journal and 1:10 twist

$237.99
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SKU: 915000064

Overview

Built for a .308 DPMS-style platform, this 12.5-inch barrel is suited to compact rifle configurations where a shorter setup is desired. Its Tactical Government profile, 4150 Chrome Moly Vanadium construction, and QPQ finish give it a straightforward, duty-oriented specification set for builders working within the listed NFA/ATF requirements. The .750" gas block journal, 1:10 twist rate, and 5/8x24 threaded muzzle provide the key details needed for planning a compatible upper. It is a practical option for shooters assembling a pistol or registered SBR configuration and looking for a modern-series barrel from Ballistic Advantage.

Why Hunters Choose the Ballistic Advantage

.308 Chambered

DPMS-style barrel supports compatible AR-10

4150 Chrome

Moly Vanadium steel construction is

Qpq Corrosion-resistant

Finish is listed for the

Qpq-coated M4

Feed ramp extension is included

0.750-inch Gas

Block journal provides a defined

Key Features

  • .308 chambered DPMS-style barrel with a 12.5-inch Tactical Government profile
  • Machined from 4150 Chrome Moly Vanadium steel
  • QPQ corrosion resistant finish on the barrel
  • QPQ coated M4 feed ramp extension
  • .750-inch gas block journal and 1:10 twist rate
  • 5/8x24 threaded muzzle

Best Used For

  • Users building a .308 DPMS-style pistol configuration firearm within NFA/ATF requirements.
  • Shooters needing a 12.5-inch tactical government profile barrel for a compact .308 setup.
  • Hunters or enthusiasts planning a .308 build with a .750-inch gas block journal.
  • Builders wanting a threaded 5/8x24 muzzle for compatible .308 accessories.
  • Owners seeking a Ballistic Advantage Modern Series barrel for a .308 rifle-length platform.

Specifications

Barrel Length12.5 inch
Blade FinishQPQ Corrosion Resistant
Caliber.308
Compatibility NotesMay be used with a lower receiver that is a Registered SBR, Machine Gun, or Pistol; possession with a Non-NFA lower receiver is prohibited except when installed on a Pistol configuration firearm
Feed Ramp ExtensionQPQ coated M4
Gas Block Journal.750"
Material4150 Chrome Moly Vanadium
Muzzle Thread5/8x24 Threaded
Nfaatf NoticeAll NFA/ATF Rules Apply
PlatformpatternDPMS style
ProfileTactical Government Profile
SeriesModern Series
Twist Rate1:10 inches

Pros

  • .308 chambered DPMS-style barrel supports compatible AR-10 pattern builds.
  • 4150 Chrome Moly Vanadium steel construction is clearly specified in the product data.
  • QPQ corrosion-resistant finish is listed for the barrel exterior.
  • QPQ-coated M4 feed ramp extension is included in the design.
  • 0.750-inch gas block journal provides a defined fitment specification.
  • 5/8x24 threaded muzzle supports common .308 muzzle device compatibility.

Considerations & Trade-offs

  • This is a 12.5 inch .308 DPMS-style barrel, so it is intended for compact builds rather than full-length rifle setups.
  • The product notes NFA/ATF restrictions; possession and use depend on the lower receiver configuration, so compliance needs to be verified before purchase or installation.
  • It uses a 1:10 twist rate and a .750 inch gas block journal, which makes those compatibility details important when planning the rest of the build.
  • The muzzle is threaded 5/8x24, so any muzzle device choice needs to match that thread pattern.

Suggested Comparisons

  • AR-10 / .308 barrels
  • Short-barrel rifle barrels
  • Threaded rifle barrels

Suggested Accessories

  • AR-10/.308 upper receiver components
  • Gas block
  • Muzzle device
  • Barrel nut

Frequently Asked Questions

What caliber and platform is this barrel made for?

It is a .308 chambered barrel in DPMS style.

What length and profile does this barrel have?

The description identifies it as a 12.5 inch Tactical Government Profile barrel, and the title also refers to it as a heavy profile barrel.

What material and finish are listed for this barrel?

The listed material is 4150 Chrome Moly Vanadium steel, with a QPQ Corrosion Resistant Finish.

What are the key threaded and gas block specifications?

The barrel has a .750 inch gas block journal and a 5/8x24 threaded muzzle.

Are there any legal restrictions mentioned for this barrel?

Yes. The description says all NFA/ATF rules apply, and it states this barrel may be used with a registered SBR, machine gun, or pistol lower. It also says possession with a non-NFA lower receiver is prohibited except when installed on a pistol configuration firearm.