Ballistic Advantage 308 Modern Series 12.5 Government Barrel



Availability: In stock

Ballistic Advantage 308 Modern Series 12.5 Government Barrel

Sub MOA Accuracy Guarantee – See Below!

Ballistic Advantage 308 Modern Series 12.5 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 12.5 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?

Do you need assistance in choosing the right barrel for the job?

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.

Additional Information

Manufacturer: Ballistic Advantage
Series: Modern
Profile: Government
Part #: BABL308008M
Caliber: .308 Winchester
Length: 12.5″
Material: 4150 CMV
Finish: CPQ Corrosion Resistant
Gas System Length: Carbine Length
Gas Block Diameter: .750″
Twist Rate: 1:10 inches
Muzzle: 5/8 x 24 threaded
Weight: 30 oz
MSRP: $210.00

Accuracy Guarantee by Ballistic Advantage

Your Ballistic Advantage 308 Modern Series 12.5 Government Barrel is Guaranteed to Perform!

Ballistic Advantage is committed to providing products that meet, or exceed, the expectations of our most discerning customers. We stand behind that commitment. From the moment you unwrap one of our barrels, as you configure it, and as you fire it on the range or in the field. They want you to experience the unique elegance and uncompromising quality crafted into every one of their barrels.

BA also stand behind their commitment to performance. All Ballistic Advantage barrels come with a guarantee to give sub Minute of Angle (MOA) accuracy with match grade ammunition.

If you are not completely satisfied with the form, finish, and fit of any of their barrels, please first consult their Troubleshooting Guide. If you still find your BA barrel is not performing at the high standard of sub MOA accuracy, call one of their armorers at 407-739-7664. You may be requested to send the barrel to BA for inspection; they will either correct the problem, replace the barrel or reimburse the purchase price of the barrel.

1. We define sub MOA as a group size of 1 inch or under at 100 yards with a 3 shot magazine fed group, or 5 shot single loaded group.
2. The customer is responsible for the initial return shipping costs of the barrel. If any defects are found, BA will reimburse the shipping costs and either replace or refund the original purchase price of the barrel.
Weight 33 oz
Dimensions 13.5 × 2 × 2 in
Barrel Length


Gas Block Diameter


Gas System


Muzzle Thread

5/8 x 24


308 Win

Barrel Finish

QPQ Nitride


Ballistic Advantage


4150 Chrome Moly Vanadium



Part Type

Barrel, Upper Receiver Parts

Twist Rate


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