Brownells 75th Anniversary - A Shooting Heritage

Ideal for both pistols and SBRs, Brownell’s Hybrid barrel is designed to be the ideal barrel for lightweight versatile weapons. Set at 11.5” length balancing velocity to weapon maneuverability, our 11.5” lightweight barrel is manufactured with a carbine length gas system. Gas block journals are 1.9” long and .625” diameter for compatibility across any gas system – piston or DI.

The barrels are 100% percent full-auto and suppressor rated with concentric 1/2x28 threads, complete with relieved shoulder. For maximum reliability and accuracy, we feature a 5.56 NATO chamber with 1/8 twist conventional rifling.

  • 4150 GBQ, Fully Stress Relieved Steel
  • 11.5” Legal Length, Carbine Gas, 1.9” Gas Block Journal
  • Suppressor Ready, Concentric 1/2x28 Threads
  • 11 Degree Target Crown
  • 5.56 NATO Chamber, 1/8 Twist Conventional Rifling
  • Nitride Treated Inside and Out for Corrosion Resistance and Longevity
  • Individually Magnetic Particle Inspected
  • 100% Made in the USA

Focusing on US craftsmanship, Brownell’s AR-15 11.5” lightweight barrels are 100% made in the USA from raw bar-stock to coatings by Faxon Firearms. We are proud to put our name to your firearm.

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Cartridge: 5.56 mm NATO

Length: 11.5"

Contour: Gunner

Finish: Black

Gas System Length: Carbine

Twist: 1-8