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Diamondback DB15300, Semi-automatic, .300 AAC Blackout, Quad Rail Handguard, 30+1

Item # WX2-642983

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Details & Specs
Model: DB15B300
UPC: 815875011873

Diamondback DB15300 .300 AAC Blackout Semi-automatic AR Rifle.

Starting with the tried-and-true, U.S. Military-proven gas impingement system and using only the highest quality components machined in Diamondback's USA facility, the DB15300 delivers outstanding performance for the price. For those of you who love the AR platform but enjoy the hard-hitting, deep-penetrating 300 BLK, this is a terrific value.

Diamondback DB15300 300 BLK Semi-automatic AR Rifle special features:

  • ATI Strikeforce collapsible stock
  • Aluminum quad rail provides a solid platform for a number of accessories
  • Shot-peened, magnetic particle inspected Mil.-Spec 8620 carrier
  • Made in the USA.


  • Caliber: .300 AAC Blackout
  • Action: Semi-automatic
  • Capacity: 30+1
  • Barrel length: 16"
  • Barrel style: 4140 chrome-moly, M4 contour, free float
  • Barrel twist: 1:9"
  • Stock: ATI Strikeforce collapsible with civilian buffer tube assembly
  • Upper receiver: Forged 7075 T6 aluminum, T-marked
  • Lower receiver: Forged 7075 T6 aluminum
  • Pistol grip: A2
  • Sights (front / rear): Optics-ready
  • Handguard: Aluminum modified quad rail
  • Flash hider: A2
  • Overall length: 32.5"-36.25"
  • Overall weight: 6.87 lbs.

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