Griffin 9.5" 300BLK HEDP Barrel

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Description

The Griffin HEDP™ Barrels provide High Endurance Dual Purpose functionality- offering high durability and precision accuracy. Nitrided 416R stainless steel provides the highest possible hardness and longest throat life available with match grade bore dimensions and bore finish. HEDP barrel bores are hand lapped, ensuring batch to batch consistency and accuracy. TRUE-BORE™ concentric suppressor grade threads provide an optimized thread interface for your silencer regardless of brand or model. M4 feed ramps and chambers are polished prior to nitriding for smooth reliable feeding, chambering, and extraction. Gas ports were carefully engineered to provide reliable function suppressed and unsuppressed with both supersonic and subsoninc ammunition. A medium contour diameter between the chamber and gas block for minimal POI shift with suppressors and maximum accuracy and durability while maintaining field weight. The included 416R Low profile Griffin Armament Primo gas Block™ offers unmatched value in the interest of increased customer satisfaction. Threads are slotted for pinning and welding your favorite Griffin Armament muzzle device.

The PRIMO Gas Block™ can be pinned by a trained gunsmith. Alternatively end users can quickly mount their block with the included set screws. Proficient builders should use a carbide tipped 1/8" drill bit to complete the pin hole prior to pressing the included splined pin. (splined pin installation is optional) 18.7 ounce weight.

  • 416R SS barrel manufactured from stress relieved certified barrel steel
  • Black nitrided for extended service life
  • Magnetic particle inspected
  • Button rifled
  • 300 BLK chamber
  • Pistol length gas
  • .750" gas block journal
  • Medium diameter for reduced POI shift / Increased Accuracy & Durability
  • Air gauged and hand lapped bore
  • Polished chamber and M4 feed ramps
  • TRU-BORE™ suppressor quality threads
  • Suppressor optimized gas ports
  • .625" length 5/8"x24, industry standard threads
  • Included 416R Low Profile PRIMO Gas Block™

Additional Details

SKU:
HE95300B
Type Of Part:
Barrel
Length:
9.5"
Caliber:
300 Blackout
Thread Pitch:
5/8x24

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