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Complete Upper Receivers

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  3. 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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Items 1-16 of 49

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Barrel Length
  1. 4" 1 item
  2. 5" 2 items
  3. 5.5" 5 items
  4. 6" 1 item
  5. 7.5" 2 items
  6. 7.75" 1 item
  7. 8" 2 items
  8. 8.5" 3 items
  9. 10.3" 10 items
  10. 10.5" 1 item
  11. 11.5" 1 item
  12. 11.85" 1 item
  13. 13" 1 item
  14. 13.7" 1 item
  15. 13.9" 1 item
  16. 14.5" 6 items
  17. 16" 7 items
  18. 16.1" 1 item
  19. 18" 1 item
Barrel Profile
  1. Non-fluted 1 item
Caliber
  1. .22 ARC 1 item
  2. .223 Wylde 5 items
  3. .45 ACP 1 item
  4. 300 Blackout 6 items
  5. 5.56 NATO 18 items
  6. 7.62x39 4 items
  7. 9mm 10 items
Color
Configuration
  1. Mil-Spec 1 item
Finish
  1. Arid 1 item
  2. Anodize 2 items
Gas Block Diameter
  1. .750" 6 items
Gas System Length
  1. Pistol 1 item
  2. Carbine 4 items
  3. Mid 12 items
  4. Rifle 1 item
Manufacturer
  1. Blackout Defense 1 item
  2. Daniel Defense 8 items
  3. Matador Arms 1 item
  4. Maxim Defense 12 items
  5. Next Level Armament 1 item
  6. Noveske 1 item
  7. Primary Weapon Systems 6 items
  8. Q, LLC 1 item
  9. Quarter Circle 10 3 items
  10. R&D Precision 3 items
  11. Radian Weapons 2 items
  12. Rainier Arms, LLC 3 items
  13. Rise Armament 1 item
  14. Sharps Bros 1 item
  15. Sons of Liberty Gun Works 1 item
  16. Stern Defense 3 items
  17. Tactical Edge Arms 1 item
Mount
  1. M-LOK 15 items
  2. Picatinny 1 item
Option
  1. AR-10 1 item
  2. AR-15 4 items
Platform
  1. AR-10/LR308 1 item
  2. AR-15 8 items
Price
  1. $0.00 - $999.99 17 items
  2. $1,000.00 - $1,999.99 27 items
  3. $2,000.00 and above 5 items
Product Type
  1. AR-10 Complete Upper Receiver 1 item
  2. AR-15 Complete Upper Receiver 32 items
  3. AR-9 Upper Receiver 6 items
  4. Complete Upper 10 items
Rail Length
  1. 6.0" 2 items
  2. 7" 1 item
  3. 8" 1 item
  4. 8.5" 1 item
  5. 9.5" 3 items
  6. 10.5" 1 item
  7. 11" 1 item
  8. 12" 2 items
  9. 12.5" 3 items
  10. 15" 4 items
  11. 15.25" 1 item
Thread Pitch
  1. 1/2x28 (9mm) 1 item
  2. 1/2x28 (.22 cal) 12 items
  3. 5/8x24 (.30 cal) 2 items
Threaded
  1. Yes 8 items
Twist Rate
  1. 1:7 11 items
  2. 1:8 1 item
  3. 1:10 1 item
Stock Status
  1. In stock 48 items Remove This Item
  2. Out of stock 1 item
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