Quality AR 15 uppers, AR15 parts, AR-15 rifle manufacturer. Friday Harbor, WA
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Hardened Arms 8.5" 300 Blackout Barrel
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Your Price $169.99
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  • Chamber: 300 AAC
  • Profile: HBAR
  • Fluted: No
  • Barrel Length: 8.5"
  • Twist Rate: 1:8
  • Gas System: Pistol-Length
  • Thread Pitch: 5/8x24
  • Feed Ramps: M4
  • Material: 4150 Chrome Moly Vanadium Steel
  • Finish: Melonite
  • Process: Button Rifled
  • Barrel Lining: Melonite
  • Barrel Extension: M4
  • Assembly: Stripped
  • Weight: 1lb 13.6oz
515 Tucker Ave, Friday Harbor, WA 98250 | sales@hardenedarms.com
Phone: 425-530-0837