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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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36 Items

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  1. 5.5 inch 10mm AR Upper Kit | USA MADE
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    PRO2A 5.5" 10mm 1/16 Pistol Caliber NR Side Charging Melonite M-LOK Upper Kit
    Special Price $769.99 $939.99
  2. 5.5 inch 10mm NR Side Charging Upper Kit | USA MADE
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    PRO2A 5.5" 10mm 1/16 Pistol Caliber NR Side Charging Melonite M-LOK Upper with Flash Can Kit
    Special Price $799.99 $979.99
  3. 8.5 inch 40 S&W NR Side Charging Upper Kit
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    PRO2A 8.5" 40 S&W 1/16 Pistol Caliber NR Side Charging Melonite M-LOK Upper Kit
    Special Price $789.99 $919.99
  4. 8.5 inch 10mm Side Charging Upper Kit
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    PRO2A 8.5" 10mm 1/16 Pistol Caliber NR Side Charging Melonite M-LOK Upper Kit
    Special Price $789.99 $959.99
  5. 12.5 inch 300 Blackout AR-15 Side Charging Upper Kit | Pro2A Tactical
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    PRO2A 12.5" 300 Blackout 1/8 Pistol Length NR Side Charging Melonite AR-15 Upper Kit
    Special Price $789.99 $994.99
  6. 7.5 inch AR-15 Non Reciprocating Side Charging 45 ACP Pistol Caliber Melonite Upper Complete Kit
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    PRO2A 7.5" 45 ACP 1/16 Pistol Caliber NR Side Charging Melonite M-LOK Upper Kit
    Rating:
    100%
    1  Review
    Special Price $769.99 $899.99
  7. 11.5 inch 5.56 NATO AR-15 Side Charging Upper Kit | Pro2A Tactical
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    PRO2A 11.5" 5.56 NATO 1/7 Carbine Length NR Side Charging Melonite M-LOK AR-15 Upper with Flash Can Kit
    Rating:
    90%
    2  Reviews
    Special Price $779.99 $989.99
  8. 5 inch 7.62x39 NR Side Charging Melonite Upper | USA MADE
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    PRO2A 5" 7.62x39 1/10 Micro Length NR Side Charging Melonite AR-15 Upper with Flash Can Kit
    Rating:
    87%
    1  Review
    Special Price $799.99 $979.99
  9. 5 inch 300 BLACKOUT NR Side Charging Upper
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    PRO2A 5" 300 Blackout 1/5 Micro Length NR Side Charging Melonite AR-15 Upper with Flash Can Kit
    Rating:
    93%
    1  Review
    Special Price $779.99 $1,004.99
  10. 12.5 inch 350 Legend Side Charging Upper Kit | Pro2A Tactical
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    PRO2A 12.5" 350 Legend 1/16 Pistol Length NR Side Charging Melonite M-LOK AR-15 Upper Kit
    Rating:
    100%
    1  Review
    Special Price $789.99 $1,039.99
  11. 7.5 inch AR-15 NR Side Charging 350 legend M-LOK Upper w/Can Kit | Made in the USA
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    PRO2A 7.5" 350 Legend 1/16 Pistol Length NR Side Charging Melonite M-LOK AR-15 Upper with Flash Can Kit
    Rating:
    100%
    1  Review
    Special Price $779.99 $1,079.99
  12. 7.5 inch 7.62x39 NR Side Charging Nitride Upper Kit
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    PRO2A 7.5" 7.62x39 1/10 Pistol Length NR Side Charging Melonite AR-15 Upper with Flash Can Kit
    Special Price $799.99 $979.99
  13. 3 inch 9mm AR-15 Upper Kit | NR Side Charging
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    PRO2A 3" 9mm 1/10 Pistol Caliber NR Side Charging Melonite Upper with Flash Can Kit
    Rating:
    100%
    1  Review
    Special Price $729.99 $929.99
  14. 10.5 inch 300 Blackout Side Charging Upper Kit | Pro2A Tactical
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    PRO2A 10.5" 300 Blackout 1/8 or 1/5 Pistol Length NR Side Charging Melonite AR-15 Upper with Flash Can Kit
    Rating:
    100%
    1  Review
    Special Price $799.99 $964.99
  15. 5 inch AR-15 Non Reciprocating Side Charging 45 ACP Pistol Caliber Melonite Upper w/CAN Complete Kit | Pro2A Tactical
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    PRO2A 5" 45 ACP 1/16 Pistol Caliber NR Side Charging Melonite M-LOK Upper with Flash Can Kit
    Rating:
    100%
    1  Review
    Special Price $779.99 $929.99
  16. 8 inch Side Charging 9mm Upper Kit | Fast Shipping | US Made
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    PRO2A 8" 9mm 1/10 Pistol Caliber NR Side Charging Melonite M-LOK Upper with Flash Can Kit
    Rating:
    96%
    2  Reviews
    Special Price $779.99 $969.99
  17. 5 inch AR-15 NR Side Charging 5.56 NATO M-LOK Melonite Upper with Flash Can Kit | Pro2A Tactical
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    PRO2A 5" 5.56 NATO 1/5 Micro Length NR Side Charging Melonite M-LOK AR-15 Upper with Flash Can Kit
    Rating:
    92%
    2  Reviews
    Special Price $729.99 $1,029.99
  18. 5 inch Side Charging 9mm Pistol Caliber Upper Kit | Pro2A Tactical
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    PRO2A 5" 9mm 1/10 Pistol Caliber NR Side Charging Melonite M-LOK Upper with Flash Can Kit
    Rating:
    87%
    1  Review
    Special Price $729.99 $879.99
  19. 10.5 inch 7.62x39 AR-15 NR Side Charging Upper Kit | Pro2A Tactical
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    PRO2A 10.5" 7.62x39 1/10 Carbine Length NR Side Charging Melonite AR-15 Upper with Flash Can Kit
    Rating:
    93%
    1  Review
    Special Price $799.99 $1,049.99
  20. 10.5 inch 350 Legend AR-15 NR Side Charging Upper Kit | Pro2A Tactical
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    PRO2A 10.5" 350 Legend 1/16 Pistol Length NR Side Charging Melonite M-LOK AR-15 Upper with Flash Can Kit
    Rating:
    93%
    1  Review
    Special Price $799.99 $1,149.99
  21. 16 inch 9mm AR Upper Kit | NR Side Charging
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    PRO2A 16" 9mm 1/10 Pistol Caliber NR Side Charging Melonite M-LOK Upper Kit
    Special Price $799.99 $959.99
  22. 7.5 inch AR-15 Non Reciprocating Side Charging 45 ACP Pistol Caliber Melonite Upper w/CAN Complete Kit
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    PRO2A 7.5" 45 ACP 1/16 Pistol Caliber NR Side Charging Melonite M-LOK Upper with Flash Can Kit
    Rating:
    88%
    2  Reviews
    Special Price $799.99 $929.99
  23. 5.5" 40 S&W Side Charging Upper Kit | USA MADE
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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
    Special Price $799.99 $919.99
  24. 5.5 inch 40 S&W Side Charging Upper Kit | USA MADE
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    PRO2A 5.5" 40 S&W 1/16 Pistol Caliber NR Side Charging Melonite M-LOK Upper Kit
    Special Price $769.99 $889.99
  25. 7.5 inch AR-15 NR Side Charging 5.56 NATO Nitride Upper w/Can Complete Kit | Pro2a Tactical
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    PRO2A 7.5" 5.56 NATO 1/7 Pistol Length NR Side Charging Melonite M-LOK AR-15 Upper with Flash Can Kit
    Rating:
    93%
    1  Review
    Special Price $789.99 $989.99
  26. 10.5 inch 5.56 NATO AR-15 NR Side Charging Upper Kit | Pro2A Tactical
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    PRO2A 10.5" 5.56 NATO 1/7 Carbine Length NR Side Charging Melonite M-LOK AR-15 Upper with Flash Can Kit
    Rating:
    87%
    1  Review
    Special Price $789.99 $989.99
  27. 8.5 inch 300 Blackout AR-15 NR Side Charging Upper Kit | Pro2A Tactical
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    PRO2A 8.5" 300 Blackout 1/7 Pistol Length NR Side Charging Melonite AR-15 Upper with Flash Can Kit
    Special Price $799.99 $1,004.99
  28. 7.5 inch AR-15 NR Side Charging 300 BLACKOUT M-LOK Melonite Upper w/Can Complete Kit | Pro2A Tactical
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    PRO2A 7.5" 300 Blackout 1/7 or 1/5 Pistol Length NR Side Charging Melonite AR-15 Upper with Flash Can Kit
    Rating:
    93%
    1  Review
    Special Price $789.99 $944.99
  29. 6 inch AR-15 Non Reciprocating Side Charging 300 BLACKOUT Melonite Upper w/Can Kit | Pro2A Tactical
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    PRO2A 6" 300 Blackout 1/7 Pistol Length NR Side Charging Melonite AR-15 Upper with Flash Can Kit
    Special Price $799.99 $1,024.99
  30. 10.5 inch 45 ACP Side Charging Upper Kit | Pro2A Tactical
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    PRO2A 10.5" 45 ACP 1/16 Pistol Caliber NR Side Charging Melonite M-LOK Upper Kit
    Special Price $789.99 $919.99
  31. 3 inch 45 ACP AR-15 Upper Kit | NR Side Charging
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    PRO2A 3" 45 ACP 1/16 Pistol Caliber NR Side Charging Melonite M-LOK Upper with Flash Can Kit
    Rating:
    93%
    1  Review
    Special Price $779.99 $919.99
  32. 5 inch AR-15 NR Side Charging 5.56 NATO M-LOK Melonite Upper Kit Suppressor Ready | Pro2A Tactical
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    PRO2A 5" 5.56 NATO 1/5 Micro Length NR Side Charging Melonite M-LOK AR-15 Upper Kit - Suppressor Ready
    Special Price $759.99 $1,019.99
  33. 5" NR Side Charging 300 Blackout Upper Kit Suppressor Ready
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    PRO2A 5" 300 Blackout 1/5 Micro Length NR Side Charging Melonite AR-15 Upper Kit - Suppressor Ready
    Special Price $769.99 $994.99
  34. 5 inch AR-15 NR Side Charging 7.62x39 Melonite M-LOK Upper Kit Suppressor Ready | Pro2A Tactical
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    PRO2A 5" 7.62x39 1/10 Micro Length NR Side Charging Melonite AR-15 Upper Kit - Suppressor Ready
    Special Price $789.99 $969.99
  35. 10.5 inch 9mm AR-15 Side Charging Upper Kit | Pro2A Tactical
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    PRO2A 10.5" 9mm 1/10 Pistol Caliber NR Side Charging Melonite M-LOK Upper with Flash Can Kit
    Special Price $789.99 $999.99
  36. 16 inch 300 Blackout NR Side Charging Upper Kit | Pro2a Tactical
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    PRO2A 16" 300 Blackout 1/7 Pistol Length NR Side Charging Melonite AR-15 Upper Kit
    Special Price $789.99 $964.99
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Category
  1. 5.56 NATO 5item
  2. 300 Blackout 8item
  3. 7.62x39 4item
  4. 350 Legend 3item
  5. 9mm 5item
  6. 40 S&W 3item
  7. 45 ACP 5item
  8. 10mm 3item
Price
  1. $720.00 - $729.99 3item
  2. $750.00 - $759.99 1 item
  3. $760.00 - $769.99 4item
  4. $770.00 - $779.99 6item
  5. $780.00 - $789.99 11item
  6. $790.00 and above 11item
Manufacturer
  1. Pro2A Tactical 36item
Rifle Caliber
  1. 5.56 NATO 5item
  2. 300 Blackout 8item
  3. 7.62x39 4item
  4. 350 Legend 3item
Pistol Caliber
  1. 9mm 5item
  2. 40 S&W 3item
  3. 45 ACP 5item
  4. 10mm 3item
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