ATI AR15 5.56mm Upper Receiver with Insert (ATIHUP200)

Vendor: American Tactical Imports


  • Fully-patented metal reinforced polymer upper receiver
  • Mil-Spec
  • Multi-Caliber: 5.56mm, 300BLK, 22LR, 6.8 SPC and others
  • Lightweight with durability of a forged aluminum upper
  • Metal insert to reinforce critical areas of the upper
  • Only 1/2 a pound! (7 ounces)
  • Black Finish
  • Limited Lifetime Warranty and Product Return Policy