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AR-15 5.56 Barrels

At Palmetto State Armory, you can find the best in AR-15 barrels chambered in 5.56/.223 to finish off your dream build. We offer barrels from less than 14.5" to 20" to suit your build specs from brands such as Palmetto State Armory, Ballistic Advantage, FNH, and more. To match your barrel, check out our selection of AR-15 gas blocks, rails, and AR-15 muzzle devices. 

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  1. AR-15 Upper Parts

    PSA 16" CHF Mid-length 5.56 NATO 1:7 Ultra Light Weight Barrel Assembly - 7790446

    Rating:
    100%
    (3)
    Out of Stock
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  2. AR-15 Upper Parts

    PSA 14.7" 5.56 NATO 1/7 Mid Length Premium CL Phosphate Barrel Assembly - 7790034

    Rating:
    50%
    (2)
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  3. AR-15 Upper Parts

    PSA 16" 5.56 NATO Mid Length Nitride Pencil Profile Barrel Assembly - 7790037

    Rating:
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    (5)
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  4. AR-15 Upper Receiver Parts

    PSA 16" 5.56 NATO 1/7 Carbine Heavy Nitride Barrel Assembly (5.56 NATO 1/7 H-BAR PSA) - 7790027

    Rating:
    100%
    (3)
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  5. PSA 16" 5.56 AR-15 Phosphate Barrel With M4 Extension

    PSA 16" Mid-length 5.56 NATO 1:7 Phosphate Barrel M4 Ext - 7782493

    Rating:
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    (2)
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  6. AR-15 Upper Parts

    PSA 16" CHF Mid-length A2 5.56 NATO 1/7 Barrel Assembly - 7782477

    Rating:
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    (2)
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  7. AR-15 Upper Receiver Parts

    PSA AR-15 5.56 NATO M4 16" 1:9 Chrome Moly Vandium Barrel - 45437

    Rating:
    100%
    (2)
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  8. PSA 16" AR-15 Mid-Length Lightweight CHF Stainless Steel Barrel

    PSA 16" Mid-length Lightweight CHF Stainless Steel 5.56 NATO 1/7 Barrel - 1897

    Rating:
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    (1)
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  9. AR-15 Upper Receiver Parts Wilson Combat 20” 1/8 223 Wylde Super Sniper Barrel - TR-223SS20F-18

    DISC Wilson Combat 20"1/8 223 Wylde Super Sniper Barrel - TR-223SS20F-18

    Rating:
    90%
    (2)
    Out of Stock
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  10. PSA 16" 5.56 AR-15 Chrome Lined CHF Barrel

    PSA 16" 5.56 NATO 1:7 Chrome Lined Mid-length Premium CHF Barrel, Lighter Profile

    Out of Stock
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  11. AR-15 Upper Receiver Parts

    PSA 20" 5.56mm, 1:7, CHF Stainless Steel Barrel - Heavy Profile - 1898

    Rating:
    100%
    (1)
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  12. Ballistic Advantage Classic Carbine-Length Barrel 5.56x45mm 14.50"

    Ballistic Advantage Classic Carbine-Length Barrel 5.56x45mm 14.50"

    Out of Stock
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  13. Wilson Combat Intermediate-Length Button Rifling Non-Fluted Ranger Barrel 5.56x45mm 16", Stainless

    Wilson Combat Intermediate-Length Button Rifling Non-Fluted Ranger Barrel 5.56x45mm 16", Stainless

    Out of Stock
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  14. Ballistic Advantage Modern Pistol-Length Barrel 5.56x45mm 7.50"

    Ballistic Advantage Modern Pistol-Length Barrel 5.56x45mm 7.50"

    Out of Stock
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  15. Brownells Carbine-Length Barrel Assembly w/FSB 5.56x45mm 16", Black

    Brownells Carbine-Length Barrel Assembly w/FSB 5.56x45mm 16", Black

    Out of Stock
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  16. Brownells Carbine-Length Barrel Assembly w/FSB 5.56x45mm 11.50", Black

    Brownells Carbine-Length Barrel Assembly w/FSB 5.56x45mm 11.50", Black

    Out of Stock
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  17. Brownells Lightweight Carbine-Length Barrel Assembly w/FSB 5.56x45mm 12.70", Black

    Brownells Lightweight Carbine-Length Barrel Assembly w/FSB 5.56x45mm 12.70", Black

    Out of Stock
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  18. Brownells Lightweight Carbine-Length Barrel Assembly 5.56x45mm 11.50", Black

    Brownells Lightweight Carbine-Length Barrel Assembly 5.56x45mm 11.50", Black

    Out of Stock
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  19. Sons of Liberty Gun Works Combat V2 Threaded Barrel 5.56x45mm 12.50", Black

    Sons of Liberty Gun Works Combat V2 Threaded Barrel 5.56x45mm 12.50", Black

    Out of Stock
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  20. Faxon Firearms Mid-Length Button Rifled Gunner Barrel w/Pinned Gas Block 5.56x45mm 14.50", Black

    Faxon Firearms Mid-Length Button Rifled Gunner Barrel w/Pinned Gas Block 5.56x45mm 14.50", Black

    Out of Stock
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  21. Faxon Firearms Carbine-Length Button Rifled Pencil Barrel w/Pinned Gas Block 5.56x45mm 10.50", Black

    Faxon Firearms Carbine-Length Button Rifled Pencil Barrel w/Pinned Gas Block 5.56x45mm 10.50", Black

    Out of Stock
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  22. Faxon Firearms Mid-Length Button Rifled Socom Barrel w/Pinned Gas Block 5.56x45mm 16", Black

    Faxon Firearms Mid-Length Button Rifled Socom Barrel w/Pinned Gas Block 5.56x45mm 16", Black

    Out of Stock
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  23. Faxon Firearms Carbine-Length Button Rifled Socom Barrel w/Pinned Gas Block 5.56x45mm 10.50", Black

    Faxon Firearms Carbine-Length Button Rifled Socom Barrel w/Pinned Gas Block 5.56x45mm 10.50", Black

    Out of Stock
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  24. Faxon Firearms Mid-Length Button Rifled Pencil Barrel w/Pinned Gas Block 5.56x45mm 16", Black

    Faxon Firearms Mid-Length Button Rifled Pencil Barrel w/Pinned Gas Block 5.56x45mm 16", Black

    Out of Stock
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Items 73-96 of 271

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  1. Less than 14.5" 9
  2. 14.5" - 14.7" 6
  3. 16" 20
  4. 18" 9
  5. 20" 8
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