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Ballistic Advantage

Classic Series 5.56x45 Nato Carbine Barrel For Ar-15 - 5.56x45 Nato 16'''' 1-7 M4 Carbine Bbl Chrome-Line Threaded

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

5.56 Chambered

Classic Series barrel for AR-15

M4 Carbine-length

1:7 twist rate

Machined From

Chrome lined bore and chamber

Manganese Phosphate

Phosphate coated M4 feed ramp

Available 14.5-inch

16-inch lengths

$175.75
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SKU: 430108657

Overview

Built for AR-15 setups chambered in 5.56x45 NATO, this Classic Series barrel is offered in M4 carbine-length and HBAR mid-length configurations to suit different build preferences. It is machined from CrMoV steel and features a chrome lined bore and chamber, manganese phosphate finish, and phosphate coated M4 feed ramp extension. The 1:7 twist rate, carbine gas system, .750" gas block journal, and 1/2x28 threaded muzzle make it a practical option for shooters assembling a duty-style or general-purpose rifle.

Why Hunters Choose the Ballistic Advantage

5.56 Chambered

Barrel for AR-15 builds

Chrome Lined

Bore and chamber for a

Crmov Steel

Manganese phosphate finish

1:7 Twist

Rate supports common 5.56 projectile

Carbine-length Gas

System with M4 profile

Key Features

  • 5.56 chambered Classic Series barrel for AR-15 builds
  • M4 carbine-length profile with 1:7 twist rate
  • Machined from CrMoV steel with chrome lined bore and chamber
  • Manganese phosphate finish with phosphate coated M4 feed ramp extension
  • Available in 14.5-inch and 16-inch lengths
  • 14.5-inch version includes 1/2x28 threaded muzzle and .750 gas block journal

Best Used For

  • Hunters building an AR-15 carbine setup with a 5.56x45 NATO chamber and M4 profile
  • Users needing a 16-inch barrel with carbine gas system and 1/2x28 threaded muzzle
  • Shooters wanting a chrome-lined bore and chamber in a Classic Series barrel
  • AR-15 owners replacing or upgrading to a Ballistic Advantage barrel with phosphate finish

Specifications

Additional Barrel Length14.5"
Barrel Length16"
Blade FinishPhosphate
Bore And ChamberChrome lined
Cartridge5.56x45 NATO
Chamber5.56 chambered
Feed Ramp ExtensionPhosphate coated M4 feed ramp extension
Gas Block Journal.750"
Gas System LengthCarbine
MaterialChrome Moly Vanadium
Muzzle1/2x28 Threaded
Part NumberBABL556014MC
Product TypeAR-15 Barrel
ProfileM4
Twist Rate1:7"
Weight25 oz

Pros

  • 5.56 chambered barrel for AR-15 builds
  • Chrome lined bore and chamber for a finished interior
  • CrMoV steel construction with manganese phosphate finish
  • 1:7 twist rate supports common 5.56 projectile weights
  • Carbine-length gas system with M4 profile
  • 16-inch option includes 1/2x28 threaded muzzle

Considerations & Trade-offs

  • Available in both 14.5" and 16" lengths, so fit and compliance considerations depend on the configuration you choose.
  • The 1:7 twist rate is fixed, which may be a better match for some loads than others.
  • Carbine-length gas system and M4 profile are specific setup choices, so this barrel is intended for builds that align with those specifications.
  • Chrome-lined bore and chamber with phosphate finish offer a utilitarian, duty-style specification set rather than a lightweight or match-focused configuration.

Suggested Comparisons

  • AR-15 barrels
  • 5.56 NATO upper receiver components
  • Carbine-length gas system barrels
  • Threaded rifle barrels

Suggested Accessories

  • AR-15 upper receiver
  • Muzzle device
  • Gas block
  • Handguard

Frequently Asked Questions

What barrel lengths are listed for this Classic Series 5.56 NATO barrel?

The provided data lists two versions: a 14.5" barrel and a 16" barrel.

What gas system length is specified?

The short and long descriptions list a carbine gas system length.

What twist rate is provided?

The listed twist rate is 1:7".

What finish and bore/chamber treatment are specified?

The barrel is described as having a chrome lined bore and chamber with a manganese phosphate finish, plus a phosphate coated M4 feed ramp extension.

Is the muzzle threaded?

Yes. The 14.5" version is listed with a 1/2x28 threaded muzzle. The 16" version is identified in the title as threaded, but the detailed muzzle specification is not fully shown in the provided data.