Ballistic Advantage 5.56 13.7" Hansen AR-15 Barrel with Low Profile Gas Block
Ballistic Advantage
$223.25
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Ballistic Advantage
Ballistic Advantage 5.56 13.7" Hansen AR-15 Barrel with Low Profile Gas Block
The Ballistic Advantage 5.56 13.7" Hansen AR-15 Barrel with Low Profile Gas Block delivers precision-engineered performance for shooters who demand sub-MOA accuracy from a compact, versatile platform. Built in the USA to exacting standards, this barrel is an ideal foundation for a suppressor-ready or pinned-and-welded AR-15 build.
- Guaranteed sub-MOA accuracy for consistent, tight groupings at range
- 13.7" length optimized for suppressor-host or pinned-and-welded configurations
- Chambered in 5.56 NATO, compatible with .223 Rem ammunition
- Includes low profile gas block for a clean, handguard-friendly front end
- American-made with precise CNC machining for long-term reliability
- Beautifully contoured Hansen profile balances weight savings with barrel rigidity
Who This Is For
This barrel is purpose-built for AR-15 enthusiasts assembling a mid-length, suppressor-ready, or legally pinned-and-welded 16" equivalent rifle. Whether you're a competitive shooter chasing tight groups, a home defender wanting a maneuverable carbine, or a builder who refuses to compromise on quality, the Ballistic Advantage Hansen barrel delivers the accuracy and durability you expect from one of America's most respected barrel makers.
Specifications
| Brand | Ballistic Advantage |
|---|---|
| Caliber | 5.56 NATO / .223 Rem |
| Barrel Length | 13.7" |
| Profile | Hansen |
| Gas System | Carbine / Mid-Length |
| Gas Block | Low Profile (included) |
| Muzzle Thread | 1/2"-28 |
| Twist Rate | 1:8" RH |
| Material | 4150 CMV Steel |
| Finish | Manganese Phosphate |
| Extension | M4 Feed Ramps |
| Country of Origin | USA |
| Accuracy Guarantee | Sub-MOA |
Frequently Asked Questions
Why choose a 13.7" barrel instead of a standard 16" or 14.5" barrel?
The 13.7" length is specifically designed for suppressor-host builds — when paired with a pinned-and-welded muzzle device of at least 2.3", the overall barrel length meets the federally required 16" minimum for non-NFA rifles. This gives you the handling benefits of a shorter barrel while maintaining legal compliance without a tax stamp. It's also a popular choice for dedicated suppressed SBR builds registered with the ATF.
What bullet weights does the 1:8" twist rate stabilize best?
The 1:8" right-hand twist is one of the most versatile options available for 5.56 NATO, reliably stabilizing projectiles from 55 grains up through 77 grains. It performs exceptionally well with popular 62 gr M855/SS109 loads, 69 gr match hollow points, and 77 gr OTM bullets — making it an excellent all-around choice for both defensive and precision shooting applications.
Does this barrel come ready to install, or do I need additional components?
The barrel ships with a low profile gas block included, but you will need a gas tube, barrel nut, and muzzle device appropriate for your build. The low profile gas block is designed to work under most free-float handguards. As with all AR-15 barrel installations, proper headspace should be verified using go/no-go gauges before use, and installation by a qualified gunsmith is recommended if you are unfamiliar with the process.
