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Choose of a huge selection of Complete Upper Kits which includes the upper assembly, bolt carrier group and charging handle, lower parts kit and stock/blade kit. Variety of Calibers, awesome savings - SHOP now and save!

Upper Kits

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25 Items

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  1. 16 inch 400 Legend Upper Kit | NR Side Charging
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    PRO2A 16" 400 Legend 1/16 Carbine Length NR Side Charging Melonite M-LOK AR-15 Upper Kit
    Special Price $929.99 $1,219.99
  2. 16 inch 400 Legend Upper Kit | NR Side Charging
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    PRO2A 18" 400 Legend 1/16 Carbine Length NR Side Charging Melonite M-LOK AR-15 Upper Kit
    Special Price $959.99 $1,259.99
  3. 7.5 inch 400 Legend Upper Kit | Premium Side Charging
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    PRO2A 10.5" 400 Legend 1/16 Pistol Length NR Side Charging Melonite M-LOK AR-15 Upper Kit
    Special Price $909.99 $1,209.99
  4. 16" 5.56 Upper Kit | NR Side Charge | Ultralight Series
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    PRO2A 16" 5.56 NATO 1/7 Mid Length "Ultralight" NR Side Charging Melonite M-LOK AR-15 Upper Kit
    Special Price $904.99 $1,049.99
  5. 14.5" 5.56 Upper Kit | NR Side Charging | Ultralight Series
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    PRO2A 14.5" 5.56 NATO 1/7 Mid Length "Ultralight" NR Side Charging Melonite M-LOK AR-15 Upper Kit - Pinned & Welded
    Special Price $943.99 $1,099.99
  6. 22 inch 6mm ARC AR-15 Upper Kit | NR Side Charging | Pro2A Tactical
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    PRO2A 22" 6mm ARC 1/7.5 Rifle Length NR Side Charging Melonite M-LOK AR-15 Upper Kit
    Special Price $929.99 $1,089.99
  7. 22" 6.8 SPC II NR Side Charging AR Upper
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    PRO2A 22" 6.8 SPC II 1/11 Rifle Length NR Side Charging Melonite M-LOK AR-15 Upper Kit
    Special Price $909.99 $989.99
  8. 20 inch 6mm ARC NR Side Charging Upper Kit
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    PRO2A 20" 6mm ARC 1/7.5 Rifle Length NR Side Charging Melonite M-LOK AR-15 Upper Kit
    Rating:
    93%
    1  Review
    Special Price $909.99 $1,069.99
  9. 5.5 inch 10mm PCC Side Charging Upper Kit MP5
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    PRO2A 5.5" 10mm 1/16 Pistol Caliber NR Side Charging Melonite Upper with Flash Can Kit - MP5 Style
    Special Price $929.99 $1,119.99
  10. 10.5 inch 12.7x42 (50 Beowulf) NR Side Charging Upper Kit
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    PRO2A 10.5" 12.7x42 (50 Beowulf) 1/20 Carbine Length Melonite NR Side Charging M-LOK AR-15 Upper Kit
    Special Price $909.99 $989.99
  11. 16 inch 12.7x42 (50 Beowulf) Upper Kit | NR Side Charging
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    PRO2A 16" 12.7x42 (50 Beowulf) 1/20 Carbine Length Melonite NR Side Charging M-LOK AR-15 Upper Kit
    Rating:
    80%
    1  Review
    Special Price $919.99 $999.00
  12. 18 inch AR-15 Non Reciprocating Side Charging 450 Bushmaster Mid Length Keymod Upper Kit
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    PRO2A 18" 450 Bushmaster 1/24 Mid Length NR Side Charging Melonite M-LOK AR-15 Upper Kit
    Special Price $959.99 $969.99
  13. 16 inch 450 Bushmaster AR Upper Kit | NR Side Charging
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    PRO2A 16" 450 Bushmaster 1/24 Carbine Length NR Side Charging Melonite M-LOK AR-15 Upper Kit
    Rating:
    87%
    1  Review
    $929.99
  14. 3 inch AR-15 AR-V MP5 Style NR Side Charging 45 ACP Melonite Upper w/Can Complete Kit
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    PRO2A 3" 45 ACP 1/16 Pistol Caliber NR Side Charging Melonite Upper with Flash Can Kit - MP5 Style
    Special Price $909.99 $1,059.99
  15. 5 inch AR-15 AR-V MP5 Style NR Side Charging 45 ACP Pistol Caliber Melonite Upper w/Can Complete Kit
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    PRO2A 5" 45 ACP 1/16 Pistol Caliber NR Side Charging Melonite Upper with Flash Can Kit - MP5 Style
    Rating:
    100%
    1  Review
    Special Price $909.99 $1,059.99
  16. 5.5 inch 40 S&W PCC Side Charging Upper Kit | MP5 Style
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    PRO2A 5.5" 40 S&W 1/16 Pistol Caliber NR Side Charging Melonite M-LOK Upper with Flash Can Kit - MP5 Style
    Special Price $929.99 $1,089.99
  17. 8.5 inch 40 S&W Side Charging Upper Kit | MP5
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    PRO2A 8.5" 40 S&W 1/16 Pistol Caliber NR Side Charging Melonite M-LOK Upper Kit - MP5 Style
    Special Price $949.99 $1,109.99
  18. 5.5 inch 10mm PCC Side Charging Upper Kit MP5
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    PRO2A 8.5" 10mm 1/16 Pistol Caliber NR Side Charging Melonite Upper Kit - MP5 Style
    Rating:
    100%
    1  Review
    Special Price $939.99 $1,139.99
  19. 8.5 inch 458 Socom AR-15 NR Side Charging Upper Kit | Pro2A Tactical
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    PRO2A 8.5" 458 Socom 1/14 Pistol Length NR Side Charging Melonite M-LOK AR-15 Upper with Flash Can Kit
    Rating:
    100%
    1  Review
    $919.99
  20. 10.5 inch 458 Socom AR-15 Side Charging Upper Kit | Pro2A Tactical
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    PRO2A 10.5" 458 Socom 1/14 Pistol Length NR Side Charging Melonite M-LOK AR-15 Upper with Flash Can Kit
    Special Price $959.99 $979.99
  21. 18 inch 458 Socom AR Upper Kit | NR Side Charging
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    PRO2A 18" 458 Socom 1/14 Carbine Length NR Side Charging Melonite M-LOK AR-15 Upper Kit
    Rating:
    87%
    1  Review
    Special Price $949.99 $959.99
  22. 7.5 inch 450 Bushmaster Side Charging Upper Kit
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    PRO2A 7.5" 450 Bushmaster 1/24 Pistol Length NR Side Charging Melonite M-LOK AR-15 Upper with Flash Can Kit
    Special Price $929.99 $959.99
  23. 7.5 inch NR Side Charging 450 Bushmaster Upper Kit
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    PRO2A 10.5" 450 Bushmaster 1/24 Carbine Length NR Side Charging Melonite M-LOK AR-15 Upper Kit
    Rating:
    100%
    1  Review
    Special Price $919.99 $959.99
  24. 7.5 inch 450 Bushmaster Side Charging Upper Kit
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    PRO2A 10.5" 450 Bushmaster 1/24 Carbine Length NR Side Charging Melonite M-LOK AR-15 Upper with Flash Can Kit
    Special Price $949.99 $989.99
  25. 24 inch 22 ARC NR Side Charging Upper Kit - Premium Parts
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    PRO2A 24" 22 ARC 1/7 Rifle Length NR Side Charging Melonite M-LOK AR-15 Upper Kit
    Special Price $919.99 $1,089.99
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  1. Price $900.00 - $999.99 Remove This Item
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Category
  1. 5.56 NATO 2item
  2. 22 ARC 1 item
  3. 6mm ARC 2item
  4. 6.8 SPC II 1 item
  5. 400 Legend 3item
  6. 458 Socom 3item
  7. 450 Bushmaster 5item
  8. 12.7x42 (50 Beowulf) 2item
  9. 40 S&W 2item
  10. 45 ACP 2item
  11. 10mm 2item
Price
  1. $900.00 - $909.99 7item
  2. $910.00 - $919.99 4item
  3. $920.00 - $929.99 6item
  4. $930.00 - $939.99 1 item
  5. $940.00 - $949.99 4item
  6. $950.00 and above 3item
Manufacturer
  1. Pro2A Tactical 25item
Rifle Caliber
  1. 5.56 NATO 2item
  2. 22 ARC 1 item
  3. 6mm ARC 2item
  4. 6.8 SPC II 1 item
  5. 400 Legend 3item
  6. 450 Bushmaster 5item
  7. 458 Socom 3item
  8. 50 Beowulf 2item
Pistol Caliber
  1. 40 S&W 2item
  2. 45 ACP 2item
  3. 10mm 2item
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