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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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20 Items

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  1. 5.5 inch 40 S&W PCC Upper Kit | Live Inventory
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    PRO2A 5.5" 40 S&W 1/16 Pistol Caliber Melonite M-LOK Upper Kit
    Special Price $489.99 $679.99
    Out of stock
  2. 5 inch AR-15 40 S&W Pistol Caliber Upper Kit
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    PRO2A 5.5" 40 S&W 1/16 Pistol Caliber Melonite M-LOK Upper with Flash Can Kit
    Rating:
    93%
    1  Review
    Special Price $519.99 $709.99
  3. 5 inch AR-15 40 S&W Pistol Caliber Upper Kit | MP5
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    PRO2A 5.5" 40 S&W 1/16 Pistol Caliber Melonite M-LOK Upper Kit - MP5 Style
    Special Price $629.99 $799.99
  4. 10.5 inch 40 S&W NR Side Charging Upper Kit
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    PRO2A 16" 40 S&W 1/16 Pistol Caliber NR Side Charging Melonite M-LOK Upper Kit
    Special Price $829.99 $969.99
  5. 16" 40 S&W PCC AR Upper Kit | Made in the USA
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    PRO2A 16" 40 S&W 1/16 Pistol Caliber Melonite M-LOK Upper Kit
    Special Price $559.99 $769.99
  6. 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
  7. 8.5 inch 40 S&W AR-15 Upper Kit | In Stock | Fast Shipping
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    PRO2A 8.5" 40 S&W 1/16 Pistol Caliber Melonite M-LOK Upper Kit
    Rating:
    87%
    1  Review
    Special Price $519.99 $729.99
  8. 8.5 inch 40 S&W AR-15 Upper Kit | USA MADE
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    PRO2A 8.5" 40 S&W 1/16 Pistol Caliber Melonite M-LOK Upper with Flash Can Kit
    Special Price $549.99 $759.99
  9. 8.5 inch 40 S&W AR-15 Upper Kit | MP5
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    PRO2A 8.5" 40 S&W 1/16 Pistol Caliber Melonite M-LOK Upper Kit - MP5 Style
    Special Price $669.99 $849.99
  10. 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
  11. 8.5 inch 40 S&W AR-15 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 with Flash Can Kit
    Special Price $819.99 $949.99
  12. 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
  13. 10.5 inch 40 S&W AR Upper Kit | Shop Now
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    PRO2A 10.5" 40 S&W 1/16 Pistol Caliber Melonite M-LOK Upper Kit
    Rating:
    93%
    1  Review
    Special Price $539.99 $749.99
  14. 10.5 inch 40 S&W PCC Upper Kit | USA MADE
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    PRO2A 10.5" 40 S&W 1/16 Pistol Caliber Melonite M-LOK Upper with Flash Can Kit
    Special Price $569.99 $779.99
  15. 10.5 inch 40 S&W NR Side Charging Upper Kit
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    PRO2A 10.5" 40 S&W 1/16 Pistol Caliber NR Side Charging Melonite M-LOK Upper Kit
    Special Price $809.99 $939.99
  16. 10.5 inch 40 S&W PCC Upper Kit | Side Charging
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    PRO2A 10.5" 40 S&W 1/16 Pistol Caliber NR Side Charging Melonite M-LOK Upper with Flash Can Kit
    Special Price $839.99 $979.99
  17. 5 inch AR-15 40 S&W Pistol Caliber Upper Kit | MP5 Style
    Add to Wish List Add to Compare
    PRO2A 5.5" 40 S&W 1/16 Pistol Caliber Melonite M-LOK Upper with Flash Can Kit - MP5 Style
    Rating:
    80%
    1  Review
    Special Price $659.99 $829.99
  18. 5.5" 40 S&W Side Charging Upper Kit | USA MADE
    Add to Wish List Add to Compare
    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
  19. 5.5 inch 40 S&W Side Charging Upper Kit | MP5 Style
    Add to Wish List Add to Compare
    PRO2A 5.5" 40 S&W 1/16 Pistol Caliber NR Side Charging Melonite M-LOK Upper Kit - MP5 Style
    Special Price $899.99 $1,059.99
  20. 5.5 inch 40 S&W Side Charging Upper Kit | USA MADE
    Add to Wish List Add to Compare
    PRO2A 5.5" 40 S&W 1/16 Pistol Caliber NR Side Charging Melonite M-LOK Upper Kit
    Special Price $769.99 $889.99
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  1. Category 40 S&W Remove This Item
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Price
  1. $400.00 - $499.99 1 item
  2. $500.00 - $599.99 6item
  3. $600.00 - $699.99 3item
  4. $700.00 - $799.99 3item
  5. $800.00 - $899.99 5item
  6. $900.00 and above 2item
Manufacturer
  1. Pro2A Tactical 20item
Pistol Caliber
  1. 40 S&W 20item
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