Ballistic Advantage 8.3" 9MM AR 15 PENCIL BARREL, MODERN SERIES

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This 9mm chambered 8.3 inch Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and 1/2-28 x .400 full profile threads.

  • Designed to work with both Colt/RR and Glock style AR builds.
  • Compatible with standard mil-spec uppers. There are also numerous dedicated 9mm upper options that work.
  • Requires the use of a unique magwell conversion (Colt/Rock River style) with UZI mags or a dedicated 9mm lower with Glock mags.
  • 9mm on an AR15 platform operates by blowback and does not need a gas block or gas tube.
  • Threaded 1/2x28 instead of 1/2x36 to give you greater versatility when choosing a suppressor.
  • Integrated feed ramp and barrel extension.
  • Since the “barrel extension” is an integral part of the barrel, the length stated is the true overall length. For example, an 11” 9mm barrel has the same outer dimensions/length as a 10.5” 5.56 barrel.


Length 8.3"
Material 4150 Chrome Moly Vanadium
Profile Pencil
Finish QPQ Corrosion Resistant
Twist Rate 1:10 inches
Gas System Length Blowback
Gas Block Journal Blowback Gas System - No Gas Block
Muzzle 1/2x28 Threaded
Weight 9.5oz

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Pistol Caliber 9mm
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