AR-15 Complete Pistol Upper Assembly: 7.5″ 4150 Parkerized M4 Contour Barrel, 5.56 NATO, Pistol Length Gas System, 1:7 Twist w/ 7″ Lightweight Rail


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SKU ASM-15-223-07-003 Category


Disclosure: Handguards will either be keymod or mlok depending on availability. If you have a preference, please leave in the comment at checkout and we will try to accommodate the request. 

  • 7.5″ Parkerized 4150 Chrome Moly Vanadium Barrel w/ 1:7 Twist
  • M4 Contour Barrel Profile
  • 7″ Rail
  • 5.56 NATO Caliber
  • Forged Upper Receiver
  • Rear Charging
  • Pistol Length Gas System, .750 Diameter Gas Block
  • BCA Standard BCG
  • Charging Handle
  • Bird Cage Flash Hider