Ballistic Advantage 556 Modern Series 13.9 Government Barrel



Availability: In stock

Ballistic Advantage 556 Modern Series 13.9 Government Barrel

Sub MOA Accuracy Guarantee – See Tab!

Ballistic Advantage 556 Modern Series 13.9 Government barrel is machined from 4150 Chrome Moly Vanadium (CMV) steel with a QPQ (Salt Bath Nitride) Corrosion Resistant Finish; The M4 extensions are also QPQ coated. Ballistic Advantage coats their extensions and barrels separately to ensure long-lasting torque values. This Modern Series 13.9 Government barrel is configured with a mid-length gas system and includes a sub MOA accuracy guarantee from BA. What more could you ask for from a barrel with this much value?

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We are proud to team with Ballistic Advantage to offer the finest, most accurate AR barrels. If you just starting to build your own custom rifle, see our our growing selection of AR parts, to include receivers, bolt carrier groups, muzzle devices, and more in our AR parts department. Are you a reloader, or considering becoming one? We offer a large selection of bullets and brass to choose from.

Product Information

Manufacturer: Ballistic Advantage
Series: Modern
Profile: Government
Part #: BABL556035M
Caliber: 5.56 NATO
Length: 13.9″
Material: 4150 CMV
Finish: CPQ Nitride
Gas System Length: Mid-Length
Gas Block Diameter: .750″
Twist Rate: 1:7 inches
Muzzle: 1/2 x 28 threaded
Weight: 26 oz

Weight 27 oz
Dimensions 15.5 × 2 × 2 in
Gas Block Diameter


Gas System


Muzzle Thread

1/2 x 28


Ballistic Advantage

Barrel Length



5.56 NATO

Barrel Finish

QPQ Nitride


4150 Chrome Moly Vanadium



Twist Rate


Part Type

Barrel, Upper Receiver Parts

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