Home / Barrel Parts / Ballistic Advantage / Ballistic Advantage AR-15 Barrel 5.56x45mm NATO 11.5" Hanson Contour 1:7" Twist Phosphate with Low Profile Gas Block
Ballistic Advantage AR-15 Barrel 5.56x45mm NATO 11.5" Hanson Contour 1:7" Twist Phosphate with Low Profile Gas Block
Lowest Price
MSRP
$285
Savings
23% off
In Stock at
8 Stores
Updated
Jun 29, 2026
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Finish - Phosphate
Gas Block
Gas Block Journal - 1.03 Gas Block Seat for .750" Low Profile Gas Blocks Only"
HP and MPI Tested
Length - 11.5";Material - Chrome Moly Vanadium"
Muzzle -1/2x28 Threaded
Profile - Hanson
Twist Rate - 1:7";Gas System Length - Carbine"
Specifications
Description
This Ballistic Advantage Performance Series Barrel is machined from CrMoV steel with a QPQ Corrosion Resistant Finish. Performance series barrels feature a Nickel Boron Coated Extended M4 Feed Ramp Extension. Hanson Series Barrels feature a proprietary BA Hanson profile and include a pinned lo-pro gas block. Hanson barrels are not designed to work with aftermarket piston kits.
