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Ballistic Advantage

Classic Series 5.56x45 Nato Mid-Length Barrel For Ar-15 - 5.56x45nato 16'''' 1-7 Heavy Mid Length Chrome-Line Threaded

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

16-inch Classic

Series barrel chambered in 5.56x45

Chrome Moly

Chrome-lined bore and chamber

Heavy Profile

Mid-length gas system

1:7 Twist

Rate for this barrel configuration

Phosphate Finish

Phosphate-coated M4 feed ramp extension

$175.75
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SKU: 430108658

Overview

Built for a 5.56 chambered AR-15, this 16-inch barrel is aimed at shooters who want a heavy-profile option with a mid-length gas system. It features a chrome lined bore and chamber, a manganese phosphate finish, and a phosphate coated M4 feed ramp extension. The 1:7 twist rate and .750" gas block journal make it a straightforward choice for a practical rifle setup, while the 1/2x28 threaded muzzle supports common muzzle device compatibility.

Why Hunters Choose the Ballistic Advantage

16-inch Barrel

Length suits compact AR-15 builds

Mid-length Gas

System provides a balanced configuration

1:7 Twist

A wide bullet range

Heavy Profile

Adds substantial barrel mass for

Chrome Lined

Bore and chamber are clearly

Key Features

  • 16-inch Classic Series barrel chambered in 5.56x45 NATO.
  • Chrome moly vanadium construction with chrome-lined bore and chamber.
  • Heavy profile with mid-length gas system.
  • 1:7 twist rate for this barrel configuration.
  • Phosphate finish with phosphate-coated M4 feed ramp extension.
  • 0.750-inch gas block journal and 1/2x28 threaded muzzle.

Best Used For

  • AR-15 owners building a 16-inch 5.56 NATO rifle with a mid-length gas system
  • Hunters wanting a heavy-profile barrel for a dedicated field or range setup
  • Shooters needing a chrome-lined, threaded barrel with 1:7 twist for 5.56 chambering
  • Users planning an AR-15 upper around a .750 gas block journal and 1/2x28 muzzle
  • Those replacing a barrel with a Ballistic Advantage Classic Series option

Specifications

Blade FinishPhosphate
Gas Block Journal.750"
Gas System LengthMid-Length
Length16"
MaterialChrome Moly Vanadium
Muzzle1/2x28 Threaded
Part NumberBABL556017MC
ProfileHeavy
Twist Rate1:7"

Pros

  • 16-inch barrel length suits compact AR-15 builds and general-purpose use.
  • Mid-length gas system provides a balanced configuration for this barrel setup.
  • 1:7 twist rate supports 5.56 chambered rifles with a wide bullet range.
  • Heavy profile adds substantial barrel mass for a sturdier feel.
  • Chrome lined bore and chamber are clearly specified in the product data.
  • 1/2x28 threaded muzzle supports common AR-15 muzzle device compatibility.

Considerations & Trade-offs

  • Heavy profile adds weight and bulk compared with lighter barrel profiles, which may matter on rifles carried for extended periods.
  • The 1:7 twist rate is a specific fit for certain bullet weights, so it may not be the most flexible choice for every 5.56 load.
  • Mid-length gas system and 16-inch length are configuration-specific, so compatibility and handling preferences should be matched to the rest of the build.
  • Chrome-lined bore and chamber are part of the design, but the listing does not provide performance claims beyond the stated construction and finish.

Suggested Comparisons

  • AR-15 barrels
  • 16-inch rifle barrels
  • Mid-length gas system barrels
  • Heavy profile barrels

Suggested Accessories

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

Frequently Asked Questions

What caliber is this barrel chambered for?

It is chambered for 5.56x45 NATO / 5.56.

What are the key specifications listed for this barrel?

The listed specs are: 16" length, Chrome Moly Vanadium material, Heavy profile, Phosphate finish, 1:7" twist rate, Mid-Length gas system, .750" gas block journal, and 1/2x28 threaded muzzle.

Does this barrel have a chrome-lined bore and chamber?

Yes. The product description states that it has a chrome lined bore and chamber.

What type of gas system does this barrel use?

It uses a Mid-Length gas system.

Is this barrel threaded at the muzzle?

Yes. The muzzle is listed as 1/2x28 threaded.