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  1. Sons of Liberty Gun Works M4-89 300 BLK AR-15 Upper - 9"
    Sons of Liberty Gun Works M4-89 300 BLK AR-15 Upper - 9"
    $855.00
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  1. Caliber 300 Blackout Remove This Item
  2. Barrel Length 9" Remove This Item
  3. Price $800.00 - $899.99 Remove This Item
  4. Rail Length 8" Remove This Item
  5. Manufacturer Sons of Liberty Gun Works Remove This Item
  6. Twist Rate 1:7 Remove This Item
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