Ballistic Advantage 13.9″ 5.56 Hanson Midlength Cold Hammer Forged Barrel w/ .750 Low Pro Gas Block 1:7 Twist
The Ballistic Advantage 13.9″ 5.56 Hanson Cold Hammer Forged Barrel is a limited-run option built for compact, hard-use AR-15 builds that demand durability and consistent performance. Cold-hammer forged from CrMoV steel, it features a chrome-lined bore and a manganese-phosphate exterior for long service life and corrosion resistance. The Hanson profile balances weight and rigidity, while the mid-length gas system supports smooth cycling in a shorter-barrel configuration.
This barrel ships with a pinned .750 low-profile gas block and uses a 1.015″ gas block seat for proper fitment. It’s also HP- and MPI-tested and includes an M4 feed ramp extension for reliable feeding. Hanson barrels are not designed for aftermarket piston kits.
Features
- Cold hammer forged CrMoV construction with chrome-lined bore
- Hanson profile for balanced handling and repeatable performance
- Mid-length gas system for smoother cycling on compact builds
- Includes pinned .750 low-profile gas block
- HP and MPI tested for quality assurance
- M4 feed ramp extension for reliable feeding
- 1/2×28 muzzle threads for common muzzle devices
- Not designed for aftermarket piston kits (Hanson series)
Specifications
- SKU: BABL556H37F
- Caliber: 5.56 NATO
- Barrel Length: 13.9″
- Material: Chrome Moly Vanadium (CrMoV)
- Finish: Phosphate (manganese phosphate)
- Bore: Chrome-lined
- Profile: Hanson
- Twist Rate: 1:7
- Gas System Length: Midlength
- Gas Block Seat: 1.015″ (for .750 low-profile gas blocks only)
- Muzzle Threads: 1/2×28
- Weight: 26 oz (includes low-profile gas block)
- Other: HP & MPI tested






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