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Complete Upper Receivers

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  14. Sig Sauer MCX Spear - LT 7.62X39 Complete Upper 11.5"
    Sig Sauer MCX Spear - LT 7.62X39 Complete Upper 11.5"
    $1,999.99
    Out of stock
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Items 17-32 of 48

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  1. Price $1,000.00 - $1,999.99 Remove This Item
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Barrel Length
  1. 5.5" 7 items
  2. 7.75" 1 item
  3. 7.94" 1 item
  4. 8" 1 item
  5. 8.5" 4 items
  6. 9.5" 1 item
  7. 9.75" 1 item
  8. 10.3" 9 items
  9. 10.5" 2 items
  10. 11.5" 2 items
  11. 11.85" 2 items
  12. 13" 2 items
  13. 13.7" 2 items
  14. 13.9" 1 item
  15. 14.5" 5 items
  16. 16" 6 items
  17. 16.1" 1 item
  18. 18" 1 item
Barrel Profile
  1. Non-fluted 1 item
Caliber
  1. .223/5.56 1 item
  2. .223 Wylde 3 items
  3. 300 Blackout 12 items
  4. 5.56 NATO 21 items
  5. 7.62x39 6 items
Color
Configuration
  1. Mil-Spec 1 item
Finish
  1. Arid 2 items
  2. Cerakote 1 item
  3. Anodize 4 items
Gas Block Diameter
  1. .750" 10 items
Gas System Length
  1. Pistol 3 items
  2. Carbine 6 items
  3. Mid 9 items
Manufacturer
  1. Blackout Defense 1 item
  2. Daniel Defense 9 items
  3. Maxim Defense 13 items
  4. Noveske 6 items
  5. Primary Weapon Systems 9 items
  6. Q, LLC 2 items
  7. Rainier Arms, LLC 4 items
  8. Sig Sauer 3 items
  9. VKTR Industries 1 item
Model
  1. Sig MCX 2 items
Mount
  1. M-LOK 13 items
  2. Picatinny 2 items
Option
  1. AR-10 1 item
  2. AR-15 5 items
Platform
  1. AR-10/LR308 1 item
  2. AR-15 5 items
  3. Sig Sauer 2 items
Price
  1. $1,000.00 - $1,099.99 3 items
  2. $1,100.00 - $1,199.99 7 items
  3. $1,200.00 - $1,299.99 18 items
  4. $1,400.00 - $1,499.99 12 items
  5. $1,500.00 - $1,599.99 4 items
  6. $1,700.00 - $1,799.99 2 items
  7. $1,800.00 - $1,899.99 1 item
  8. $1,900.00 and above 1 item
Product Type
  1. AR-10 Complete Upper Receiver 1 item
  2. AR-15 Complete Upper Receiver 39 items
  3. Complete Upper 9 items
Rail Length
  1. 6.91" 1 item
  2. 7" 3 items
  3. 8.5" 1 item
  4. 9.5" 4 items
  5. 9.75" 1 item
  6. 10.5" 1 item
  7. 11" 1 item
  8. 12" 1 item
  9. 12.5" 2 items
  10. 15" 5 items
Thread Pitch
  1. 1/2x28 (.22 cal) 13 items
  2. 5/8x24 (.30 cal) 5 items
Threaded
  1. Yes 7 items
Twist Rate
  1. 1:6 1 item
  2. 1:7 14 items
  3. 1:8 1 item
Stock Status
  1. In stock 27 items
  2. Out of stock 21 items
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