Ballistic Advantage Modern Series 5.56 Barrel Gov. Carbine - 11.5"

Manufactured by Ballistic Advantage
SKU: BABL556023M
MPN: BABL556023M
Manufactured by Ballistic Advantage
15 Reviews

In Stock

Standard orders will ship out same day if ordered by 3:30pm CST. FFL orders will ship within 5 business days or less as long as we have the information for the transfer destination.



The National Firearms Act regulates the configurations of some firearms assembled with barrels under 16” long. Know the NFA laws in your state before purchasing this item.

Chambered in 5.56 NATO, this Ballistic Advantage 11.5” barrel is a great option for building a short barrel rifle or even a pistol. This modern series barrel features all the qualities you would want for a short carbine style build. It features a carbine length gas system for optimal reliability with the commonly used 62 grain projectiles which are also optimal with the 1:7 twist rate. The barrel is made from 4150 Chrome Moly Vanadium and is fully salt bath Nitride finished inside and out for long term durability. The government profile is thin behind the gas block shelf to reduce weight but then gets larger to accommodate .750” gas blocks. Threaded 1/2x28, you can easily attach your favorite .223/5.56 muzzle device whether it is a flash hider or muzzle brake. If you are building a high quality AR-15, you can’t go wrong with the Ballistic Advantage Modern Series 5.56 barrel.

  • 11.5” barrel length with government profile
  • Machined from 4150 Chrome Moly Vanadium
  • QPQ salt bath Nitride finish
  • Carbine length gas system with .750” shelf
  • 1:7 twist rate optimal with 62 grain bullets
  • 1/2x28 threaded
  • M4 feed ramp extension

Ballistic Advantage proudly produces quality AR barrels that exceed very stringent demands. Their AR-15 barrels surpass the competition in precision and aesthetics. For barrels that deliver round after round consistently and accurately, choose Ballistic Advantage.
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Barrel CoatingSalt Bath Nitride
Barrel ContourGovernment
Barrel Length11.5
Barrel LiningSalt Bath Nitride
Barrel Material4150 Chrome Moly Steel
BrandBallistic Advantage
Caliber Gauge5.56 NATO
Feed RampsM4
Gas Seat Diameter.750
Gas System LengthCarbine
Thread Pattern1/2 X 28
Twist Rate1:7
Weight20.5 oz

WARNING: This Product can expose you to chemicals which is known to state of California to cause Cancer and Reproductive Harm. For more information, see

Ratings & Reviews

15 reviews

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Great barrel!!!

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Fantastic accuracy. Great barrel i have 2 now because the first one shot so well.

Nice, clean machining. Accurate

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Ballistic Advantage, I like their machine work it makes for a reliable & accurate. Their barrels are so polished they clean up easy, because they shoot clean

Ballistic Advantage 11.5" AR 15 barrel

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I can not get a grasp on how fast PA shops so fast. I had the tracking number a couple hours after ordering my parts I needed for a build. The barrel is great, no blemishes or marks or gouges. I have not got to get to the range because of my work. Working 7 days a week for the last 2 and a half months does not give me time to do anything I want to get done. But I will always buy from PA because they ship incredibly quick and answer your questions and inquiries in a reasonable time. Great job PA. Best in the business.

Excellent as expected it's a Ballistic Advantage

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BA barrels are top notch, great machining, & attention to detail, plus good people run it.

Great Barrel!

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I honestly wanted to buy a gucci barrel from Christenson or Sons of Liberty. But I couldn't find anything in stock that was reasonable so I decided to buy this for my next build. I figure if it is good enough for Aero Precision, it is good enough for me.