CORE® Truck Gun Upper

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Product Overview

  • 8.5” 4150 Nitride Barrel
  • Pistol Length Gas System
  • CORE15 Forged 7075-T6 M4 Flattop Upper with Internal Dry Lube and Laser T Marks
  • CORE15 V.2 Hardcore Billet Charging Handle
  • CORE® 7" M-Lok Rail
  • Standard A2 Flash Hider
  • CORE® Gas Block
  • Nitride M16 Bolt Carrier Group 
  • CORE15’s NO BS Lifetime Warranty!


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  • 5
    Quality upper.

    Posted by Jared d’Avi on Mar 4th 2021

    This is small, compact upper. The bolt is quality made bcg. The lifetime warranty is also quality and great price of mind. I should have bought 5 of them.