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Grab a high quality LEFT HANDED 5.56 complete upper and experience high performance at a great price! 5.56 NATO is the perfect caliber for self-defense, plinking, and varmint hunting due to its ammo availability, reliability, and low recoil. Our LEFT HANDED 5.56 uppers come with everything you need to start shooting including a BCG (optional), upper receiver, handguard, flash hider, gas tube/gas block and barrel. All our LEFT HANDED 5.56 uppers are compatible with mil-spec AR-15 lowers

5.56 NATO

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Items 1-36 of 53

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  1. 12.5" LEFT HAND 5.56 Nato Upper | USA MADE
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    PRO2A LEFT HAND 12.5" 5.56 NATO 1/7 Mid Length Melonite M-LOK AR-15 Upper with Flash Can
    Special Price $319.99 $499.99
  2. 5 inch LEFT HANDED AR-15 5.56 NATO M-LOK Upper Suppressor Ready| Pro2A Tactical
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    PRO2A LEFT HAND 5" 5.56 NATO 1/5 Micro Length Melonite M-LOK AR-15 Upper - Suppressor Ready
    Special Price $269.99 $439.99
  3. 12.5 inch LEFT HAND 5.56 NATO Mid Length Upper
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    PRO2A LEFT HAND 12.5" 5.56 NATO 1/7 Mid Length Melonite M-LOK AR-15 Upper
    Rating:
    87%
    1  Review
    Special Price $289.99 $469.99
  4. 5 inch LEFT HANDED AR-15 5.56 NATO Micro Nitride M-LOK Upper with Flash Can | Pro2A Tactical
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    PRO2A LEFT HAND 5" 5.56 NATO 1/5 Micro Length Melonite M-LOK AR-15 Upper with Flash Can
    Rating:
    100%
    2  Reviews
    Special Price $279.99 $449.99
  5. 7.5 inch LEFT HANDED AR-15 5.56 NATO Pistol Length M-LOK Nitride Upper | Pro2A Tactical
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    PRO2A LEFT HAND 7.5" 5.56 NATO 1/7 Pistol Length Melonite M-LOK AR-15 Upper
    Special Price $249.99 $439.99
  6. 7.5 inch LEFT HANDED AR-15 5.56 NATO Pistol Length M-LOK Nitride Upper w/Can| Pro2A Tactical
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    PRO2A LEFT HAND 7.5" 5.56 NATO 1/7 Pistol Length Melonite M-LOK AR-15 Upper with Flash Can
    Rating:
    100%
    1  Review
    Special Price $279.99 $479.99
  7. PRO2A LEFT HAND 8" 5.56 NATO 1/7 Pistol Length Melonite M-LOK AR-15 Upper
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    PRO2A LEFT HAND 8" 5.56 NATO 1/7 Pistol Length Melonite M-LOK AR-15 Upper
    Special Price $249.99 $449.99
  8. 8 inch LEFT HANDED AR-15 5.56 NATO Pistol Length M-LOK Nitride Upper w/Can| Pro2A Tactical
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    PRO2A LEFT HAND 8" 5.56 NATO 1/7 Pistol Length Melonite M-LOK AR-15 Upper with Flash Can
    Special Price $279.99 $488.99
  9. 10.5 inch LEFT HANDED AR-15 5.56 NATO Carbine Length M-LOK Nitride Upper w/Can| Pro2A Tactical
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    PRO2A LEFT HAND 10.5" 5.56 NATO 1/7 Carbine Length Melonite M-LOK AR-15 Upper with Flash Can
    Special Price $279.99 $499.99
  10. 10.5 inch LEFT HANDED AR-15 5.56 NATO Carbine Length M-LOK Nitride Upper | Pro2A Tactical
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    PRO2A LEFT HAND 10.5" 5.56 NATO 1/7 Carbine Length Melonite M-LOK AR-15 Upper
    Rating:
    80%
    1  Review
    Special Price $249.99 $459.99
  11. 11.5 inch LEFT HANDED AR-15 5.56 NATO Carbine Length M-LOK Nitride Upper w/Can| Pro2A Tactical
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    PRO2A LEFT HAND 11.5" 5.56 NATO 1/7 Carbine Length Melonite M-LOK AR-15 Upper with Flash Can
    Special Price $289.99 $499.99
  12. PRO2A LEFT HAND 11.5" 5.56 NATO 1/7 Carbine Length Melonite M-LOK AR-15 Upper
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    PRO2A LEFT HAND 11.5" 5.56 NATO 1/7 Carbine Length Melonite M-LOK AR-15 Upper
    Special Price $259.99 $459.99
  13. PRO2A LEFT HAND 12.5" 5.56 NATO 1/7 Carbine Length Melonite M-LOK AR-15 Upper with Flash Can
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    PRO2A LEFT HAND 12.5" 5.56 NATO 1/7 Carbine Length Melonite M-LOK AR-15 Upper with Flash Can
    Rating:
    93%
    1  Review
    Special Price $309.99 $499.99
  14. 12.5 inch LEFT HANDED AR-15 5.56 NATO Carbine Length M-LOK Nitride Upper | Pro2A Tactical
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    PRO2A LEFT HAND 12.5" 5.56 NATO 1/7 Carbine Length Melonite M-LOK AR-15 Upper
    Rating:
    100%
    1  Review
    Special Price $279.99 $459.99
  15. 13.7 inch LEFT HANDED AR-15 5.56 NATO Upper w/Can - Pinned & Welded
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    PRO2A LEFT HAND 13.7" 5.56 NATO 1/7 Mid Length Melonite M-LOK AR-15 Upper - Pinned & Welded
    Rating:
    100%
    1  Review
    Special Price $379.99 $569.99
  16. 13.7 inch LEFT HANDED AR-15 5.56 NATO Upper w/Can - Pinned & Welded
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    PRO2A LEFT HAND 13.7" 5.56 NATO 1/7 Mid Length Melonite M-LOK AR-15 Upper with Flash Can - Pinned & Welded
    Rating:
    100%
    1  Review
    Special Price $359.99 $539.99
  17. 13.7 inch LEFT HANDED AR-15 5.56 NATO Carbine Length M-LOK Nitride Upper | Pro2A Tactical
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    PRO2A LEFT HAND 13.7" 5.56 NATO 1/7 Mid Length Melonite M-LOK AR-15 Upper
    Rating:
    100%
    1  Review
    Special Price $299.99 $449.99
  18. PRO2A LEFT HAND 13.7" 5.56 NATO 1/7 Mid Length Melonite M-LOK AR-15 Upper with Flash Can
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    PRO2A LEFT HAND 13.7" 5.56 NATO 1/7 Mid Length Melonite M-LOK AR-15 Upper with Flash Can
    Rating:
    90%
    2  Reviews
    Special Price $329.99 $489.99
  19. 14.5 inch LEFT HANDED AR-15 5.56 NATO Upper w/Can - Pinned & Welded
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    PRO2A LEFT HAND 14.5" 5.56 NATO 1/7 Carbine Length Melonite M-LOK AR-15 Upper with Flash Can - Pinned & Welded
    Rating:
    100%
    2  Reviews
    Special Price $349.99 $599.99
  20. 14.5 inch LEFT HANDED AR-15 5.56 NATO Carbine Length M-LOK Nitride Upper w/Can
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    PRO2A LEFT HAND 14.5" 5.56 NATO 1/7 Carbine Length Melonite M-LOK AR-15 Upper with Flash Can
    Rating:
    93%
    1  Review
    Special Price $319.99 $589.99
  21. 14.5 inch LEFT HANDED AR-15 5.56 NATO Upper - Pinned & Welded| Pro2A Tactical
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    PRO2A LEFT HAND 14.5" 5.56 NATO 1/7 Carbine Length Melonite M-LOK AR-15 Upper - Pinned & Welded
    Rating:
    93%
    1  Review
    Special Price $319.99 $599.99
  22. 7.5 inch AR-15 5.56 NATO Pistol M-LOK Keymod Stainless Upper WITH Optional BCG/CH
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    PRO2A LEFT HAND 14.5" 5.56 NATO 1/7 Carbine Length Melonite M-LOK AR-15 Upper
    Rating:
    89%
    3  Reviews
    Special Price $289.99 $549.99
  23. PRO2A LEFT HAND 16" 5.56 NATO 1/7 Mid Length Melonite M-LOK AR-15 Upper with Flash Can
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    PRO2A LEFT HAND 16" 5.56 NATO 1/7 Mid Length Melonite M-LOK AR-15 Upper with Flash Can
    Special Price $299.99 $509.99
  24. 16 inch LEFT HANDED AR-15 5.56 NATO MidLength M-LOK Nitride Upper | Pro2A Tactical
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    PRO2A LEFT HAND 16" 5.56 NATO 1/7 Mid Length Melonite M-LOK AR-15 Upper
    Rating:
    93%
    1  Review
    Special Price $269.99 $459.99
  25. 18 inch LEFT HANDED AR-15 5.56 NATO MidLength M-LOK Nitride Upper | Pro2A Tactical
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    PRO2A LEFT HAND 18" 5.56 NATO 1/8 Mid Length Melonite M-LOK AR-15 Upper
    Rating:
    100%
    1  Review
    Special Price $289.99 $459.99
  26. 20 inch LEFT HANDED AR-15 5.56 NATO Rifle Length M-LOK Nitride Upper | Pro2A Tactical
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    PRO2A LEFT HAND 20" 5.56 NATO 1/7 Rifle Length Melonite M-LOK AR-15 Upper
    Rating:
    100%
    1  Review
    Special Price $309.99 $539.99
  27. 22 inch LEFT HANDED AR-15 5.56 NATO Rifle Length M-LOK Nitride Upper | Pro2A Tactical
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    PRO2A LEFT HAND 22" 5.56 NATO 1/7 Rifle Length Melonite M-LOK AR-15 Upper
    Rating:
    96%
    2  Reviews
    Special Price $329.99 $539.99
  28. 5 inch LEFT HANDED AR-15 5.56 NATO Melonite Upper Complete Kit Suppressor Ready| Pro2a Tactical
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    PRO2A LEFT HAND 5" 5.56 NATO 1/5 Micro Length Melonite M-LOK AR-15 Upper Kit - Suppressor Ready
    Special Price $459.99 $739.99
  29. 5 inch LEFT HANDED AR-15 5.56 NATO Pistol Melonite Upper w/Can Complete Kit | Pro2a Tactical
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    PRO2A LEFT HAND 5" 5.56 NATO 1/5 Micro Length Melonite M-LOK AR-15 Upper with Flash Can Kit
    Special Price $469.99 $749.99
  30. 7.5 inch LEFT HANDED AR-15 5.56 NATO Melonite Upper w/Can Kit | Fast Shipping | 100% USA MADE
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    PRO2A LEFT HAND 7.5" 5.56 NATO 1/7 Pistol Length Melonite M-LOK AR-15 Upper with Flash Can Kit
    Special Price $469.99 $709.99
  31. 7.5 inch LEFT HANDED AR-15 5.56 NATO Melonite Upper Complete Kit | Fast Shipping | Lifetime Warranty
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    PRO2A LEFT HAND 7.5" 5.56 NATO 1/7 Pistol Length Melonite M-LOK AR-15 Upper Kit
    Rating:
    100%
    1  Review
    Special Price $439.99 $669.99
  32. 8 inch LEFT HANDED AR-15 5.56 NATO Upper w/Can Complete Kit | Fast Shipping | Lifetime Warranty
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    PRO2A LEFT HAND 8" 5.56 NATO 1/7 Pistol Length Melonite M-LOK AR-15 Upper with Flash Can Kit
    Special Price $479.99 $719.99
  33. 8 inch LEFT HANDED AR-15 5.56 NATO Upper Complete Kit | Pro2A Tactical
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    PRO2A LEFT HAND 8" 5.56 NATO 1/7 Pistol Length Melonite M-LOK AR-15 Upper Kit
    Special Price $449.99 $679.99
  34. 10.5 inch 5.56 NATO Left Hand Upper Kit | Pro2A Tactical
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    PRO2A LEFT HAND 10.5" 5.56 NATO 1/7 Carbine Length Melonite M-LOK AR-15 Upper with Flash Can Kit
    Special Price $479.99 $729.99
  35. 10.5 inch 5.56 NATO Left Hand Upper Kit | Pro2A Tactical
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    PRO2A LEFT HAND 10.5" 5.56 NATO 1/7 Carbine Length Melonite M-LOK AR-15 Upper Kit
    Special Price $449.99 $689.99
  36. 11.5 inch 5.56 NATO Left Hand AR Upper Kit | Pro2A Tactical
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    PRO2A LEFT HAND 11.5" 5.56 NATO 1/7 Carbine Length Melonite M-LOK AR-15 Upper with Flash Can Kit
    Rating:
    100%
    1  Review
    Special Price $489.99 $729.99
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