5.56 4150 16" 1x9 Chrome AP4 Barrel
Part Number: F621030
5.56 4150 16" 1x9 Chrome AP4 Barrel
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  • AP4 Contour
  • 4150 Chrome-moly steel and Chrome Lined
  • Barrel Specifications

  • 6 groove, RH twist
  • Button rifled
  • Manganese phosphate
  • Threaded Muzzle
  • Bayonet Lug
  • A.I.S.I. 4150 Chrome-moly steel

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    Important Note: When ordering a barrel, you must have it properly headspaced by a gunsmith if the bolt is not ordered with the barrel.