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Pro2a Tactical offers a wide selections of 45 ACP AR-15/AR-45 Uppers in a variety of barrel lengths and configurations - all made right here in the USA and backed by our limited lifetime warranty.

45 ACP

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12 Items

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  1. 3 inch AR-15 AR-V 45 ACP Pistol Caliber Melonite Upper w/CAN - MP5 Style
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    PRO2A 3" 45 ACP 1/16 Pistol Caliber Melonite Upper with Flash Can - MP5 Style
    Special Price $359.99 $549.99
  2. 3 inch 45 ACP AR-15 Upper | Fast Shipping
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    PRO2A 3" 45 ACP 1/16 Pistol Caliber Melonite M-LOK Upper with Flash Can
    Rating:
    95%
    3  Reviews
    Special Price $249.99 $379.99
  3. 5 inch AR-15 AR-V 45 ACP Pistol Caliber Upper w/Can - MP5 Style
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    PRO2A 5" 45 ACP 1/16 Pistol Caliber Melonite Upper with Flash Can - MP5 Style
    Rating:
    100%
    1  Review
    Special Price $369.99 $549.99
  4. 5 inch AR-15 45 ACP Pistol Caliber Melonite Upper w/CAN
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    PRO2A 5" 45 ACP 1/16 Pistol Caliber Melonite M-LOK Upper with Flash Can
    Rating:
    96%
    6  Reviews
    Special Price $249.99 $379.99
  5. 5 inch AR-15 45 ACP Pistol Caliber Melonite Upper
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    PRO2A 5" 45 ACP 1/16 Pistol Caliber Melonite M-LOK Upper - Suppressor Ready
    Rating:
    92%
    2  Reviews
    Special Price $229.99 $349.99
  6. 8.5 inch AR-15 45 ACP Pistol Caliber Nitride Upper w/Flash Can | Pro2a Tactical
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    PRO2A 8.5" 45 ACP 1/16 Pistol Caliber Melonite M-LOK Upper with Flash Can
    Rating:
    98%
    3  Reviews
    Special Price $279.99 $419.99
  7. 8.5 inch AR-15 45 ACP Pistol Caliber Melonite Upper | Pro2a Tactical
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    PRO2A 8.5" 45 ACP 1/16 Pistol Caliber Melonite M-LOK Upper
    Rating:
    100%
    1  Review
    Special Price $249.99 $389.99
  8. 8.5 inch AR-15 AR-V 45 ACP Pistol Caliber Melonite Upper - MP5 Style | Pro2A Tactical
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    PRO2A 8.5" 45 ACP 1/16 Pistol Caliber Melonite Upper - MP5 Style
    Special Price $379.99 $559.99
  9. 10.5 inch AR-15 45 ACP Pistol Caliber Melonite Upper
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    PRO2A 10.5" 45 ACP 1/16 Pistol Caliber Melonite M-LOK Upper
    Rating:
    96%
    6  Reviews
    Special Price $259.99 $409.99
  10. 10.5 inch AR-15 45 ACP Pistol Caliber Melonite Upper w/Can
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    PRO2A 10.5" 45 ACP 1/16 Pistol Caliber Melonite M-LOK Upper with Flash Can
    Rating:
    98%
    3  Reviews
    Special Price $289.99 $429.99
  11. 16 inch AR-15 45 ACP Pistol Caliber Melonite M-LOK Upper w/Can | Pro2a Tactical
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    PRO2A 16" 45 ACP 1/16 Pistol Caliber Melonite M-LOK Upper with Flash Can
    Rating:
    100%
    2  Reviews
    Special Price $329.99 $529.99
  12. 16 inch AR-15 45 ACP Pistol Caliber Melonite M-LOK Keymod Upper
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    PRO2A 16" 45 ACP 1/16 Pistol Caliber Melonite M-LOK Upper
    Rating:
    98%
    7  Reviews
    Special Price $299.99 $489.99
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