Description
This Ballistic Advantage Performance Series barrel gives you a compact setup without cutting corners on quality or accuracy. Built from 4150 Chrome Moly Vanadium steel with a salt bath nitride finish, it stands up to hard use and keeps you shooting. The 11.3-inch length is purpose-built for short-barreled platforms, and the carbine-length gas system gives you proper dwell time and reliable cycling at this length.
Hanson Profile Design for Balance
What sets this barrel apart is the proprietary BA Hanson profile. It's thinner and lighter than standard contours without sacrificing structural integrity. The .625 gas block journal makes this version even more lightweight compared to the original Hanson design. The shoulder-less profile minimizes barrel whip and lets your gun return to zero faster, which matters when you're shooting follow-ups. You get a lightweight feel without the limitations that usually come with going smaller.
Ready to Go Out of the Box
The low-profile gas block comes pre-pinned from the factory, so there's no guessing or worry about it shifting during installation. It's dimpled and comes with a coil pin already in place. The Nickel Boron-coated M4 feed ramp extension handles high round counts without wearing down the way standard ramps do. This is a high-wear area, and the harder coating keeps everything running smooth.
Accuracy You Can Depend On
Ballistic Advantage backs every barrel with a guarantee of sub-MOA accuracy when you're using match-grade ammunition. The 1:7 twist rate handles heavier rounds well, which helps with ballistic performance out of a short barrel. You get threaded 1/2×28 muzzle for whatever suppressor or brake setup you want to run. All barrels are high-pressure tested and magnetic particle inspected before they leave the shop.
Key Specifications
- Caliber: .223 REM/5.56 NATO
- Barrel Length: 11.3 inches
- Profile: BA Hanson (.625)
- Material: 4150 Chrome Moly Vanadium (CrMoV)
- Finish: QPQ Corrosion Resistant (Nitride)
- Twist Rate: 1:7"
- Gas System: Carbine Length
- Gas Block Journal: .625" for low-profile gas blocks
- Muzzle Thread: 1/2×28
- Weight: 20 oz (with pinned gas block)
- Feed Ramp: Nickel Boron Coated Extended M4
- Manufacturer Part Number: BABL556026F
- UPC: 819747020697
- Testing: High-Pressure Tested, Magnetic Particle Inspected
- Accuracy Guarantee: Sub-MOA with match-grade ammunition
What’s Included
- Ballistic Advantage 5.56 11.3" Performance Series barrel
- Pinned low-profile gas block (.625" journal)
- Coil pin for gas block
Frequently Asked Questions
Is the gas block already installed and pinned?
Yes. The low-profile gas block comes pre-pinned from the factory and is ready to install on your upper. It's dimpled and includes the coil pin, so installation is straightforward. Just verify correct alignment with your handguard and you're good.
What muzzle devices work with this barrel?
The barrel is threaded 1/2×28, which is the standard for 5.56 AR platforms. You can use any 1/2×28 muzzle brake, flash hider, or suppressor. The threaded muzzle is cut specifically for a crush washer or standard muzzle devices.
Can I use an aftermarket piston kit with this barrel?
No. BA Hanson Series barrels are not designed to work with aftermarket piston kits. They're optimized for the included low-profile gas block and direct impingement operation.
What's the difference between the .625 and .750 Hanson barrels?
Both use the Hanson profile, but the .625 designation refers to the gas block journal diameter, making it thinner and lighter than the original .750 version. The .625 is the newer, lighter-weight iteration while maintaining the same balance and recoil management benefits.







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