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Questions & Answers
What size gas block is need on this 20" heavy barrel Expert Answer

MPN: BABL308006M requires a .750 diameter gas block.

by Jonathan D., Gear Expert, October 1, 2019
Has tube length Expert Answer

The Ballistic Advantage Modern Series .308 AR Rifle Barrel is offered in a carbine, mid, and rifle length gas tube configuration. You can use the "Gas System Length" drop-down menu to filter by the gas length you are looking for.

by Ethan, Gear Expert, January 10, 2025
Customer Reviews
Helpful Positive Review
BA .308 barrel by Ted, April 23, 2021
This barrel is fantastic!! Heavy weight just like I wanted, shoots great! This is my third ballistic advantage barrel and I would buy three more. So far I have been very impressed! Look forward to more fun shooting down range!!!
5/5 found this helpful
Helpful Positive Review
great barrel by texas shooter, Verified Owner, December 2, 2020
It's a great barrel, not too light, not too heavy. Ballistic advantage has always performed well on my other rifles, and this is no exception. If i have one complaint, it's that the gas block seat doesn't have dimples, so misalignment causing an unde...
Read More...
3/3 found this helpful
Helpful Positive Review
The barrel shipped on time and was packaged very good. I have not yet installed the barrel but it looks great and is lightweight. The 16” barrel looks like it will be a good length for a under 500 yards hunting rifle. I will put a vortex 1-8x24 to ke...
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1/2 found this helpful
Most Recent Reviews
Amazing barrel by Brandon Smith, Verified Owner, March 1, 2026
Just wanted to drop OP a good review on this barrel. Probably should be thanking ballistic advantage. However, I shot 3 inch groups @100 yrds all day with their 12.5 inch barrel. Very accurate. No complaints. Just grins.
Most Recent Reviews
Great barrel! by RevRod, Verified Owner, September 22, 2024
The BAM Modern barrel shipped quickly, was well packed and fit my DPMS LR-308 build just right. Waiting on new gas tube to arrive to finish build and test fire. Looking forward to the test fire as BAM barrels have an excellent reputation.
Most Recent Reviews
Nice looking barrel by Matt, December 13, 2023
Fit and finish looks great, have not checked headspace yet but overall quality looks good
Read All 7 Reviews

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Product Info for Ballistic Advantage Modern Series .308 AR Rifle Barrel

Ballistic Advantage is renowed for their high quality barrels at affordable prices, and the Ballistic Advantage Modern Series AR Rifle Barrel is no exception. When you upgrade your firearm with these AR15 Barrels by Ballistic Advantage, you can feel secure knowing your new barrel is QPQ corrosion resistant. The Ballistic Advantage QPQ Coated AR Rifle Barrel easily shoots sub-MOA, ensuring pinpoint accuracy with each pull of the trigger. It's time to upgrade your weapon with the Ballistic Advantage Modern Series Tactical AR Rifle Barrel. A more accurate and corrosion resistant barrel is the key to victory in your next competition or could help bring home dinner on your next hunt.image

Specifications for Ballistic Advantage Modern Series .308 AR Rifle Barrel:

Manufacturer: Ballistic Advantage
Color: Black
Finish: QPQ Corrosion Resistant
Fabric/Material: 4150 Chrome Moly Vanadium
Caliber: .308 Winchester
Gas Block Journal Size-Diameter: .750 in
Barrel Twist Rate: 1-10
Barrel Material: 4150 Chrome Moly Vanadium
Gun Make: AR Platform
Gun Model: M5, AR-10
Weight: 38 oz
Projectile Caliber: .308 Caliber

Features of Ballistic Advantage Modern Series .308 AR Rifle Barrel:

  • 4150 Chrome Moly Vanadium
  • QPQ Corrosion Resistant Finish

Package Contents:

  • Ballistic Advantage Modern Series .308 AR Rifle Barrel

Ballistic Advantage Modern Series .308 AR Rifle Barrel Orderable Models

List of Orderable Models

  • USED Ballistic Advantage Modern Series .308 AR Rifle Barrel, 16in, MSARB38-BABL308003M, EDEMO5, Excellent, Inspect and Rebox , MPN: BABL308003M-EDEMO5 , Code: 29M-ATB-MSARB38-BABL308003M-EDEMO-RE-B
  • Ballistic Advantage Modern Series AR Rifle Barrel, .308, 14.5inch, Tactical Government, Carbine, 1-10 Twist, 5/8x24 Threaded, QPQ Corrosion Resistant, Black, BABL308002M , MPN: BABL308002M , UPC: 819747023636 , Code: 29M-ATB-MSARB38-BABL308002M
  • Ballistic Advantage Modern Series .308 AR Rifle Barrel, 16in, MSARB38-BABL308003M , MPN: BABL308003M , UPC: 819747023643 , Code: 29M-ATB-MSARB38-BABL308003M
  • Ballistic Advantage Modern Series .308 AR Rifle Barrel, 18in, MSARB38-BABL308005M , MPN: BABL308005M , UPC: 819747023650 , Code: 29M-ATB-MSARB38-BABL308005M
  • Ballistic Advantage Modern Series .308 AR Rifle Barrel, 18in, MSARB38-BABL308007M , MPN: BABL308007M , UPC: 819747023667 , Code: 29M-ATB-MSARB38-BABL308007M
  • Ballistic Advantage Modern Series .308 AR Rifle Barrel, 12.5in, MSARB38-BABL308008M , MPN: BABL308008M , UPC: 819747023629 , Code: 29M-ATB-MSARB38-BABL308008M
  • Ballistic Advantage Modern Series .308 AR Rifle Barrel, 20in, MSARB38-BABL308006M , MPN: BABL308006M , UPC: 819747023674 , Code: 29M-ATB-MSARB38-BABL308006M

Ballistic Advantage Modern Series .308 AR Rifle Barrel Unavailable & Discontinued Models

List of Unorderable Models

  • USED Ballistic Advantage Modern Series .308 AR Rifle Barrel, 12.5in, MSARB38-BABL308008M, EDEMO2, Condition Parts Only/Salvage, Wrong Product , MPN: BABL308008M-EDEMO2 , Code: 29M-ATB-MSARB38-BABL308008M-EDEMO-WP-F
  • USED Ballistic Advantage Modern Series .308 AR Rifle Barrel, 12.5in, MSARB38-BABL308008M, EDEMO3, Used, Condition Fair , MPN: BABL308008M-EDEMO3 , Code: 29M-ATB-MSARB38-BABL308008M-EDEMO3
  • USED Ballistic Advantage Modern Series .308 AR Rifle Barrel, 16in, MSARB38-BABL308003M, EDEMO2, Used, Condition Like New, Inspect and Rebox , MPN: BABL308003M-EDEMO2 , Code: 29M-ATB-MSARB38-BABL308003M-EDEMO-RE-A
  • USED, Ballistic Advantage Modern Series .308 AR Rifle Barrel, 16in, MSARB38-BABL308003M , MPN: BABL308003M-EDEMO , Code: 29M-ATB-MSARB38-BABL308003M-EDEMO-US-D
  • USED, Ballistic Advantage Modern Series .308 AR Rifle Barrel, 12.5in, MSARB38-BABL308008M , MPN: BABL308008M-EDEMO , Code: 29M-ATB-MSARB38-BABL308008M-EDEMO-RE-C
  • USED, Ballistic Advantage Modern Series .308 AR Rifle Barrel, 18in, MSARB38-BABL308005M , MPN: BABL308005M-EDEMO , Code: 29M-ATB-MSARB38-BABL308005M-EDEMO-RE-B
  • USED, Ballistic Advantage Modern Series .308 AR Rifle Barrel, 18in, MSARB38-BABL308007M , MPN: BABL308007M-EDEMO , Code: 29M-ATB-MSARB38-BABL308007M-EDEMO-RE-B
  • Open Box, Dealer Demo, Ballistic Advantage Modern Series .308 AR Rifle Barrel , MPN: BABL308007M-DMO , Code: 29M-ATB-MSARB38-BABL308007M-DMO
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