Ballistic Advantage 308 Win 18″ Barrel – Tactical Government Rifle Length – Premium Black Series


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Features Precision-machined 416R Stainless Steel, QPQ Black Finish & A Sub-MOA Accuracy Guarantee

The Ballistic Advantage 308 Win 18″ Barrel – Tactical Government Rifle Length – Premium Black Series provides a lighter weight and a greater rigidity over the other barrel profiles. It is drilled for a rifle-length gas system and has a .750″ diameter gas block journal which is ideal for the way a compact AR barrel was meant to perform.

This Premium Black Series barrel is machined from 416R Stainless Steel and designed with a Black QPQ Corrosion Resistant finish. It is HP and MPI tested to maximize the reliability and accuracy of your .308 platform.

Sub-MOA Guarantee

Buying a Ballistic Advantage barrel means guaranteed accuracy. All Ballistic Advantage barrels are guaranteed to give Sub-Minute-of-Angle (MOA) accuracy with match grade ammunition.


  • Length: 18″
  • Material: 416R Stainless Steel
  • Profile: Tactical Government
  • Finish: QPQ Corrosion Resistant
  • Gas System Length: Rifle
  • Gas Block Journal: .750″
  • Twist Rate: 1:10 inches
  • Muzzle: 5/8×24 Threaded
  • Weight: 39 oz
  • Compatibility: DPMS Gen 1 Pattern Receivers
  • Other Info: HP and MPI Tested


Caliber.308 Winchester/7.62x51 NATO
Barrel Length18 inches
Barrel Twist Rate1:10 inches
Barrel Material416 Stainless
Muzzle Threads5/8/2024
Barrel FinishBlack Nitride
Gas Block Size.750″ Gas Block
Barrel ProfileTactical Government
Barrel Gas SystemRifle
Gas Block Journal Length1.9 inches
Weight39 ounces

Have Questions About this Product?

The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.

If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.

Ballistic Advantage Warranty!

If for any reason you have a warranty issue with one of our products, please describe your situation, include your name and order number or transaction ID. One of our technical specialists will then review your claim and contact you within 5-7 business days.

PLEASE NOTE: We cannot provide warranty work if your items have been altered by you or anyone other than Ballistic Advantage from their original state.

Please call 407-347-4584 if you have any questions regarding this policy.

Disclaimer: Manufacturer’s warranty is subject to change without prior notice.