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*WASHINGTON STATE RESIDENTS ONLY* LAST CALL - All MAGAZINES and IN-STORE firearms orders with Magazines over 10 rounds must be place by 11:59pm PST, June 28th, 2022

Ballistic Advantage Modern Series 300BLK Barrel - 10.5"


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Only 3 left

Also Available for In-Store Purchase Auburn, WA

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Ballistic Advantage Modern Series 300BLK Barrel - 10.5"


This .300 Blackout chambered 10.5 inch Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension.



  • Length 10.5"
  • Material 4150 Chrome Moly Vanadium
  • Profile DRP
  • Finish QPQ Corrosion Resistant
  • Twist Rate 1:7 inches
  • Gas System Length Pistol
  • Gas Block Journal .750"
  • Muzzle 5/8x24 Threaded
  • Weight 21 oz
More Information
Product Type Barrel
Manufacturer Ballistic Advantage
Gas Block Diameter .750"
Thread Pitch 5/8x24
Gas Length Pistol
Barrel Length 10.5"
Caliber 300 Blackout
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