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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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13 Items

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  1. 10.5 inch 450 Bushmaster NR Side Charging Upper Kit
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    PRO2A 10.5" 450 Bushmaster 1/24 Carbine Length Melonite M-LOK AR-15 Upper with Flash Can Kit
    Rating:
    93%
    1  Review
    Special Price $619.99 $779.99
  2. 10.5 inch 458 Socom AR-15 Upper Kit | Pro2a Tactical
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    PRO2A 10.5" 458 Socom 1/14 Pistol Length Melonite M-LOK AR-15 Upper with Flash Can Kit
    Rating:
    100%
    1  Review
    Special Price $629.99 $779.99
  3. 18 inch 450 Bushmaster Upper Kit - Made in the USA
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    PRO2A 18" 450 Bushmaster 1/24 Mid Length Melonite M-LOK AR-15 Upper Kit
    Rating:
    100%
    1  Review
    Special Price $629.99 $799.99
  4. 8.5 inch 458 Socom AR-15 Upper Kit | Pro2A Tactical
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    PRO2A 8.5" 458 Socom 1/14 Pistol Length Melonite M-LOK AR-15 Upper with Flash Can Kit
    Rating:
    100%
    1  Review
    Special Price $609.99 $769.99
  5. 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
  6. 5 inch AR-15 40 S&W Pistol Caliber Upper Kit | MP5 Style
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    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
  7. 18 inch 458 Socom AR-15 Upper Kit | Lifetime Warranty
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    PRO2A 18" 458 Socom 1/14 Carbine Length Melonite M-LOK AR-15 Upper Kit
    Rating:
    92%
    2  Reviews
    Special Price $639.99 $789.99
  8. 5.5 inch 10mm AR Upper Kit | MP5
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    PRO2A 5.5" 10mm 1/16 Pistol Caliber Melonite M-LOK Upper Kit - MP5 Style
    Special Price $629.99 $799.99
  9. 5.5 inch 10mm PCC Upper Kit MP5 Style
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    PRO2A 5.5" 10mm 1/16 Pistol Caliber Melonite M-LOK Upper with Flash Can Kit - MP5 Style
    Special Price $659.99 $829.99
  10. 5.5 inch 10mm PCC Upper Kit MP5 Style
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    PRO2A 8.5" 10mm 1/16 Pistol Caliber Melonite M-LOK Upper Kit - MP5 Style
    Special Price $669.99 $839.99
  11. 3 inch AR-15 AR-V MP5 Style 45 ACP Pistol Caliber Melonite Upper w/Can Complete Kit
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    PRO2A 3" 45 ACP 1/16 Pistol Caliber Melonite Upper with Flash Can Kit - MP5 Style
    Special Price $629.99 $789.99
  12. 5 inch AR-15 AR-V MP5 Style 45 ACP Pistol Caliber Melonite Upper w/Can Complete Kit
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    PRO2A 5" 45 ACP 1/16 Pistol Caliber Melonite Upper with Flash Can Kit - MP5 Style
    Special Price $629.99 $799.99
  13. 22 inch 6mm ARC AR-15 Upper Kit | Pro2A Tactical
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    PRO2A 24" 6mm ARC 1/7.5 Rifle Length Melonite M-LOK AR-15 Upper Kit
    Rating:
    100%
    1  Review
    Special Price $609.99 $889.99
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  1. Price $600.00 - $699.99 Remove This Item
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Category
  1. 6mm ARC 1 item
  2. 458 Socom 3item
  3. 450 Bushmaster 2item
  4. 40 S&W 2item
  5. 45 ACP 2item
  6. 10mm 3item
Price
  1. $600.00 - $609.99 2item
  2. $610.00 - $619.99 1 item
  3. $620.00 - $629.99 6item
  4. $630.00 - $639.99 1 item
  5. $650.00 - $659.99 2item
  6. $660.00 and above 1 item
Manufacturer
  1. Pro2A Tactical 13item
Rifle Caliber
  1. 6mm ARC 1 item
  2. 450 Bushmaster 2item
  3. 458 Socom 3item
Pistol Caliber
  1. 40 S&W 2item
  2. 45 ACP 2item
  3. 10mm 3item
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