Ar-15  .233-556 7.5" upper receiver assembly
Ar-15 7.62x39 8.5 upper receiver assembly

Ar-15 .233-556 7.5" upper receiver assembly

Your Price: $219.00
Retail Price:$399.00
Your Savings:$180.00(45%)
In Stock
Part Number:5.56 85-sr

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Bolt carrier
Choose Charging Handle
Ar-15  .233-556 7.5" upper receiver assembly slim rail 
  • Chamber - .233-556
  • Barrel Twist - Choose from Menu
  • Barrel Thread - 1/2x28
  • Barrel Steel -7.5 barrel 4150 steel 
  • Flash Hider - A2 Flash Hider
  • Handguard - free float slim rail 
  • Gas Block -low profile 
  • Upper Receiver - A4 Flat-Top Upper
  • Bolt Carrier Group - choose from menu
  • Charging Handle - Choose from Menu
  • Buy this ar-15 5.56  upper receiver assembly online or you can come to our showroom in Central Florida  (Orlando).  
  • Warranty: 1 year warranty against manufacturer defect.
    ***Ammunition Notification***  GCU test fires every custom upper to verify cycling. We do not guarantee cycling with all ammunition due to vast differences in the quality of ammunition. We will only warranty cycling with US made ammunition. We will not warranty cycling with imported, steel cased or reloaded rounds.