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  1. Centurion Arms CM4 5.56 Forged Upper Receiver
    Centurion Arms CM4 5.56 Forged Upper Receiver
    $109.25
    Out of stock
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  2. Rainier Arms RUC 5.56 NATO DI Complete Upper - 16"
    Rainier Arms RUC 5.56 NATO DI Complete Upper - 16"
    Special Price $664.00 Regular Price $830.00
    Out of stock
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  1. Caliber 5.56 NATO Remove This Item
  2. Price $0.00 - $999.99 Remove This Item
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Barrel Length
  1. 7" 1 item
  2. 10.3" 1 item
  3. 10.5" 5 items
  4. 11.5" 2 items
  5. 12.5" 2 items
  6. 13.7" 2 items
  7. 14.5" 3 items
  8. 16" 7 items
Barrel Profile
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  1. .750" 10 items
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Inside Diameter
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  4. Bravo Company MFG (BCM) 1 item
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Product Type
  1. AR-15 Complete Upper Receiver 4 items
  2. AR-15 Partial Upper Receiver 12 items
  3. AR-15 Handguard 1 item
  4. AR-15 Stripped Upper Receiver 1 item
  5. Chassis 1 item
Rail Length
  1. 9" 1 item
  2. 9.2" 1 item
  3. 9.5" 1 item
  4. 9.55" 2 items
  5. 10.5" 1 item
  6. 10.7" 1 item
  7. 11" 1 item
  8. 11.7" 1 item
  9. 12.5" 1 item
  10. 12.6" 1 item
  11. 13" 1 item
  12. 13.7" 1 item
  13. 15" 6 items
Size
  1. 5 Slot 1 item
Thread Pitch
  1. 1/2x28 (.22 cal) 15 items
Threaded
  1. Yes 9 items
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  1. 1:7 8 items
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