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NR SIDE CHARGING UPPERS

Premium Custom Builds. Direct-to-Consumer Value.
Welcome to the ultimate destination for modular firearm performance. Pro2A Tactical's AR-15 Complete Upper, Rifle, and Pistol collection is engineered for shooters who demand custom-shop quality, tight manufacturing tolerances, and field-proven reliability without the steep distributor markup.
We build every platform right here in Georgia using high-grade components, precise headspacing, and strict quality control. From ultra-compact home-defense pistols to flat-shooting precision distance rifles, we configure the exact setup you need to dominate the range, the field, or the competition clock.
Why the Industry Chooses Pro2A Tactical:
  • The Destination for Left-Handed Shooters: We don’t just throw an ambidextrous safety on a standard rifle and call it a day. As a lefty-owned business, we lead the industry with true mirrored, left-ejecting upper receivers and left-handed M16 profile bolt carrier groups across nearly every caliber we build.
  • Over 15 Calibers on a Single Footprint: Customize your platform for any mission. Explore standard 5.56 NATO and .300 Blackout tactical setups, high-velocity .22 ARC, 224 Valkyrie, 350 Legend, 400 legend, 6mm ARC, and 6.5 Grendel distance lines, or devastating big-bore options like .458 SOCOM and .50 Beowulf.
  • Side-Charging & High-Speed Performance: Beyond standard rear-charging layouts, we manufacture specialized non-reciprocating side-charging uppers for fast manual cycling under large optics, alongside high-speed reset capabilities built for performance triggers.
  • Ready Out of the Box: Skip the headache of piecemeal tuning. Our complete uppers drop directly onto any mil-spec lower receiver, and our complete firearms are shipped fully assembled and range-tested.
 

Pro2a Tactical line of Non Reciprocating (NR) Side Charging AR-15 Complete Uppers feature the Gibbz Arms G4/G9 upper receivers. Non reciprocating keeps the charging handle forward during cycling. It uses standard AR-15 BCGs without any modification and fits on a standard ar-15 lower. All that is required is to swap out the cam pin with the Gibbz enhanced cam pin that will be included. Premium Side Charging Uppers made in the USA.

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  1. -26%
    PRO2A 14.5" 5.56 NATO 1/7 Mid Length NR Side Charging Melonite M-LOK AR-15 Upper - Pinned & Welded
    Rating:
    100%
    1  Review
    Special Price $669.99 $899.99
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  2. -18%
    PRO2A 13.7" 5.56 NATO 1/7 Mid Length NR Side Charging Melonite M-LOK AR-15 Upper with Flash Can - Pinned & Welded
    Rating:
    0%
    Special Price $689.99 $839.99
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  3. -23%
    PRO2A 14.5" 5.56 NATO 1/7 Mid Length NR Side Charging Melonite M-LOK AR-15 Upper with Flash Can - Pinned & Welded
    Rating:
    100%
    1  Review
    Special Price $689.99 $899.99
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  4. -18%
    PRO2A 5" 7.62x39 1/10 Micro Length NR Side Charging Melonite M-LOK AR-15 Upper - Suppressor Ready
    Rating:
    100%
    2  Reviews
    Special Price $609.99 $739.99
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  5. -29%
    PRO2A 5" 5.56 NATO 1/5 Micro Length NR Side Charging Melonite M-LOK AR-15 Upper - Suppressor Ready
    Rating:
    100%
    2  Reviews
    Special Price $609.99 $859.99
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  6. -20%
    PRO2A 5" 300 Blackout 1/5 Micro Length NR Side Charging Melonite M-LOK AR-15 Upper - Suppressor Ready
    Rating:
    100%
    1  Review
    Special Price $609.99 $764.99
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  7. PRO2A 18" 6.8 SPC II 1/11 Mid Length NR Side Charging Melonite M-LOK AR-15 Upper
    Rating:
    0%
    $689.99
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  8. -12%
    PRO2A 24" 6mm ARC 1/7.5 Rifle Length NR Side Charging Melonite M-LOK AR-15 Upper
    Rating:
    100%
    1  Review
    Special Price $749.99 $849.99
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  9. -5%
    PRO2A 7.5" 450 Bushmaster 1/24 Pistol Length NR Side Charging Melonite M-LOK AR-15 Upper with Flash Can
    Rating:
    0%
    Special Price $739.99 $779.99
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  10. -15%
    PRO2A 22" 6.8 SPC II 1/11 Rifle Length NR Side Charging Melonite M-LOK AR-15 Upper
    Rating:
    0%
    Special Price $719.99 $849.99
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  11. -14%
    PRO2A 20" 6mm ARC 1/7.5 Rifle Length NR Side Charging Melonite M-LOK AR-15 Upper
    Rating:
    0%
    Special Price $709.99 $829.99
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  12. -16%
    PRO2A 5" 7.62x39 1/10 Micro Length NR Side Charging Melonite M-LOK AR-15 Upper with Flash Can
    Rating:
    87%
    1  Review
    Special Price $619.99 $739.99
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  13. -25%
    PRO2A 22" 5.56 NATO 1/7 Rifle Length NR Side Charging Melonite M-LOK AR-15 Upper
    Rating:
    100%
    1  Review
    Special Price $669.99 $889.99
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  14. -12%
    PRO2A 16" 6mm ARC 1/7.5 Mid Length NR Side Charging Melonite M-LOK AR-15 Upper
    Rating:
    100%
    1  Review
    Special Price $669.99 $759.99
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  15. -27%
    PRO2A 20" 350 Legend 1/16 Carbine Length NR Side Charging Melonite M-LOK AR-15 Upper
    Rating:
    93%
    1  Review
    Special Price $689.99 $939.99
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  16. -16%
    PRO2A 12.5" 350 Legend 1/16 Pistol Length NR Side Charging Melonite M-LOK AR-15 Upper
    Rating:
    92%
    2  Reviews
    Special Price $629.99 $749.99
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  17. -16%
    PRO2A 12.5" 350 Legend 1/16 Pistol Length NR Side Charging Melonite M-LOK AR-15 Upper with Flash Can
    Rating:
    93%
    1  Review
    Special Price $659.99 $789.99
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  18. -22%
    PRO2A 11.5" 5.56 NATO 1/7 Carbine Length NR Side Charging Melonite M-LOK AR-15 Upper
    Rating:
    100%
    1  Review
    Special Price $609.99 $779.99
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  19. -21%
    PRO2A 11.5" 5.56 NATO 1/7 Carbine Length NR Side Charging Melonite M-LOK AR-15 Upper with Flash Can
    Rating:
    87%
    1  Review
    Special Price $639.99 $809.99
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  20. -15%
    PRO2A 22" 223 Wylde 1/7 Rifle Length NR Side Charging Melonite Fluted Heavy Bull Barrel AR-15 Upper
    Rating:
    93%
    2  Reviews
    Special Price $739.99 $869.99
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  21. -24%
    PRO2A 12.5" 300 Blackout 1/8 Pistol Length NR Side Charging Melonite M-LOK AR-15 Upper
    Rating:
    0%
    Special Price $629.99 $824.99
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  22. -3%
    PRO2A 10.5" 12.7x42 (50 Beowulf) 1/20 Carbine Length Melonite NR Side Charging M-LOK AR-15 Upper
    Rating:
    93%
    1  Review
    Special Price $739.99 $759.99
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  23. -6%
    PRO2A 16" 12.7x42 (50 Beowulf) 1/20 Carbine Length Melonite NR Side Charging M-LOK AR-15 Upper
    Rating:
    90%
    2  Reviews
    Special Price $739.99 $789.00
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  24. -4%
    PRO2A 20" 6.8 SPC II 1/11 Rifle Length NR Side Charging Melonite M-LOK AR-15 Upper
    Rating:
    100%
    1  Review
    Special Price $699.99 $729.99
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  25. -3%
    PRO2A 7.5" 450 Bushmaster 1/24 Pistol Length NR Side Charging Melonite M-LOK AR-15 Upper
    Rating:
    93%
    1  Review
    Special Price $709.99 $729.99
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  26. -27%
    PRO2A 16" 350 Legend 1/16 Carbine Length NR Side Charging Melonite M-LOK AR-15 Upper
    Rating:
    98%
    3  Reviews
    Special Price $649.99 $889.99
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  27. -23%
    PRO2A 12.5" 300 Blackout 1/8 Pistol Length NR Side Charging Melonite M-LOK AR-15 Upper with Flash Can
    Rating:
    0%
    Special Price $659.99 $854.99
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  28. -16%
    PRO2A 13.7" 5.56 NATO 1/7 Mid Length NR Side Charging Melonite M-LOK AR-15 Upper
    Rating:
    0%
    Special Price $629.99 $749.99
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  29. -19%
    PRO2A 7.5" 350 Legend 1/16 Pistol Length NR Side Charging Melonite M-LOK AR-15 Upper
    Rating:
    100%
    2  Reviews
    Special Price $599.99 $739.99
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  30. -17%
    PRO2A 7.5" 350 Legend 1/16 Pistol Length NR Side Charging Melonite M-LOK AR-15 Upper with Flash Can
    Rating:
    100%
    1  Review
    Special Price $629.99 $759.99
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  31. -1%
    PRO2A 10.5" 9x39 Russian 1/7 Pistol Length NR Side Charging Melonite M-LOK AR-15 Upper
    Rating:
    100%
    1  Review
    Special Price $659.99 $669.99
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  32. -1%
    PRO2A 10.5" 9x39 Russian 1/7 Pistol Length NR Side Charging Melonite M-LOK AR-15 Upper with Flash Can
    Rating:
    100%
    1  Review
    Special Price $689.99 $699.99
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  33. -17%
    PRO2A 22" 224 Valkyrie 1/6.5 Rifle Length NR Side Charging Melonite M-LOK AR-15 Upper
    Rating:
    100%
    2  Reviews
    Special Price $699.99 $839.99
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  34. -22%
    PRO2A 10.5" 350 Legend 1/16 Pistol Length NR Side Charging Melonite M-LOK AR-15 Upper
    Rating:
    100%
    1  Review
    Special Price $619.99 $789.99
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  35. -23%
    PRO2A 10.5" 7.62x39 1/10 Carbine Length NR Side Charging Melonite M-LOK AR-15 Upper
    Rating:
    93%
    1  Review
    Special Price $599.99 $779.99
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  36. -22%
    PRO2A 10.5" 7.62x39 1/10 Carbine Length NR Side Charging Melonite M-LOK AR-15 Upper with Flash Can
    Rating:
    100%
    1  Review
    Special Price $629.99 $809.99
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