Ballistic Advantage 556 Modern Series 11.5 Government Barrel



Availability: In stock

Ballistic Advantage 556 Modern Series 11.5 Government Barrel

Sub MOA Accuracy Guarantee - See Tab!

All NFA / ATF Rules Apply - See NFA tab for details.

Ballistic Advantage 556 Modern Series 11.5 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 11.5 Government Barrel is configured with a carbine 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.

Manufacturer Ballistic Advantage
Caliber 5.56 NATO
Length 11.5"
Series Modern
Profile SOCOM / Govt. Tactical
Twist 1:7 inches
Muzzle 1/2 x 28
Material 4150 CrMoV
Finish QPQ (Black)
Gas System Carbine; .750 Diameter
Weight 20.5oz

Arm or Ally is a stocking dealer for all Faxon Firearms, Ballistic Advantage, HOLOSUN, Toolcraft, Elftmann Tactical, Timney, CMC Triggers, HIPERFIRE and named the #1 Overall E-Commerce Dealer for Aero Precision Products in 2020!  See our growing inventory of AR Parts, and Reloading Components.

Weight 24 oz
Dimensions 12.5 × 2 × 2 in
Gas Block Diameter


Gas System


Muzzle Thread

1/2 x 28


Ballistic Advantage

Barrel Length





4150 Chrome Moly Vanadium


5.56 NATO

Barrel Finish

QPQ Nitride

Twist Rate


Part Type

Barrel, Upper Receiver Parts

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