Ballistic Advantage 5.56 14.5" Carbine M4 AR-15 Barrel 1:7 Twist
Ballistic Advantage
$156.75
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Ballistic Advantage
Ballistic Advantage 5.56 14.5" Carbine M4 AR-15 Barrel 1:7 Twist
The Ballistic Advantage 5.56 NATO 14.5" M4 Profile Carbine Length Barrel delivers professional-grade accuracy and durability for AR-15 builds, combining premium 4150 Chrome Moly Vanadium steel construction with a battle-proven M4 profile trusted by builders and competitors alike.
- Machined from 4150 Chrome Moly Vanadium steel for exceptional strength and longevity
- QPQ Corrosion Resistant Finish provides superior protection against rust and wear
- 1:7 twist rate stabilizes a wide range of 5.56 NATO and .223 Remington projectiles
- Carbine-length gas system optimized for reliable cycling in compact AR-15 builds
- QPQ coated M4 feed ramp extension ensures smooth, consistent feeding under pressure
- 1/2x28 threaded muzzle ready for suppressors, flash hiders, and muzzle brakes
Who This Is For
This barrel is an excellent choice for AR-15 enthusiasts building or upgrading a compact carbine, whether for range use, home defense, or a duty-style rifle. The 14.5" length paired with a carbine gas system strikes the ideal balance between maneuverability and reliable performance, making it a go-to option for builders who want a high-quality, mil-spec-inspired barrel without compromise.
Specifications
| Brand | Ballistic Advantage |
|---|---|
| Caliber | 5.56 NATO / .223 Remington |
| Length | 14.5" |
| Profile | M4 Carbine |
| Material | 4150 Chrome Moly Vanadium (CMV) |
| Finish | QPQ Corrosion Resistant |
| Twist Rate | 1:7" |
| Gas System | Carbine Length |
| Gas Block Journal | .750" |
| Muzzle Threading | 1/2x28 |
| Feed Ramps | M4 Extension, QPQ Coated |
Frequently Asked Questions
What bullet weights does the 1:7 twist rate stabilize best?
The 1:7 twist rate is optimized for heavier 5.56 NATO and .223 Remington projectiles, typically in the 62–77 grain range, including popular loads like the M855 62gr and 77gr OTM match bullets. It will also adequately stabilize lighter 55gr projectiles, making this barrel highly versatile for both range training and defensive applications.
Will this barrel work with a standard .750" low-profile gas block?
Yes. The gas block journal diameter is .750", which is the most common dimension for aftermarket low-profile gas blocks. Any standard .750" gas block — whether a set-screw or pinned style — will fit this barrel correctly without modification.
Do I need to permanently attach a muzzle device to reach the legal 16" length in California?
Yes. Because this barrel measures 14.5", California law requires a muzzle device to be permanently attached (pinned and welded) to bring the overall barrel length to a minimum of 16" for a legal rifle configuration. Goodland Guns recommends consulting a qualified gunsmith to perform the permanent attachment before completing your build.
