Ballistic Advantage BABL556014M Modern Series 5.56 NATO M4 Carbine Barrel

Ballistic Advantage BABL556014M Modern Series 5.56x45mm NATO 16" Black QPQ Finish 4150 Chrome Moly Vanadium Steel Material M4 Carbine Length for AR-15

The Ballistic Advantage BABL556014M Modern Series barrel is designed for AR-15 platforms chambered in .223 Remington and 5.56 NATO. Built from 4150 chrome moly vanadium steel, it provides a durable foundation for general-purpose rifle configurations, training builds, recreational shooting, and duty-oriented applications. The M4 carbine-length profile is compatible with carbine gas systems and includes a threaded muzzle for use with compatible muzzle devices.
The barrel features a QPQ corrosion-resistant finish that helps protect the steel surface from wear and environmental exposure. A QPQ-coated M4 feed ramp extension supports smooth cartridge feeding, while the rifled bore and 1:7 twist are suited to a broad range of compatible .223 Remington and 5.56 NATO loads. The .750-inch gas block journal is compatible with many standard AR-15 gas block configurations.
This Ballistic Advantage Modern Series barrel is supplied without sights, allowing builders to configure their rifle with the optic, backup sight, muzzle device, and handguard system that best match their intended use. Its all-purpose design makes it a versatile choice for assembling or upgrading an AR-15 chambered for .223 Remington or 5.56 NATO. For proper installation, headspace verification, gas system alignment, and final inspection should be performed by a qualified gunsmith or experienced professional.

Features:

• Caliber or Gauge: .223 Remington and 5.56 NATO

• Model: Modern Series

• Barrel Type: M4 carbine-length

• Gas System: Carbine-length

• Material: 4150 chrome moly vanadium steel

• Twist: 1:7

• Bore Type: Rifled

• Finish: QPQ corrosion-resistant finish

• Feed Ramp Extension: QPQ-coated M4 style

• Gas Block Journal: Compatible with .750-inch gas blocks

• Sights: None

• Barrel Features: Threaded muzzle

• Type: All-purpose AR-15 barrel