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AR-15 Uppers

Palmetto State Armory offers a great selection of AR-15 upper assemblies. Whether you are a gun enthusiast or a beginner, we have plenty of options from different barrel lengths, calibers, gas systems, handguards, & rails to choose from to help you complete a custom build or upgrade. Be sure to browse our AR-15 complete lower receivers selection to complete your custom build. We are your online AR-15 headquarters. 

Under $300

Under $300
Upper Receiver Parts

Upper Receiver Parts
Left Handed Uppers

Left Handed Uppers
Pistol Uppers

Pistol Uppers
Railed Uppers

Railed Uppers
300 Blackout Uppers

300 Blackout Uppers
MOE Uppers

MOE Uppers
Classic Uppers

Classic Uppers
Premium Uppers

Premium Uppers
AR-PCC Uppers

AR-PCC Uppers
6.5 Grendel

6.5 Grendel
Pistol Kits

Pistol Kits
Rifle Kits

Rifle Kits
Featured Products
  1. ar-15 barreled upper
    PSA 10.5" Pistol-Length 300AAC 1/8 Phosphate 9" Lightweight M-Lok Upper - With BCG & CH - 5165448418
    Rating:
    96%
    (273)
    Regular Price $599.99 Special Price $299.99
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  2. PSA 16" Pistol-Length 300AAC Blackout 1/8 Nitride 15" Lightweight M-Lok Upper - With BCG & CH - 5165450142
    PSA 16" Pistol-Length 300AAC Blackout 1/8 Nitride 15" Lightweight M-Lok Upper - With BCG & CH - 5165450142
    Rating:
    93%
    (95)
    Regular Price $589.99 Special Price $349.99
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  3. PSA 7" Nitride 1:7 Pistol Length 300AAC Blackout Marauder AR-15 Upper Assembly, Black - No BCG/CH
    PSA 7" Nitride 1:7 Pistol Length 300AAC Blackout Marauder AR-15 Upper Assembly, Black - No BCG/CH
    Rating:
    94%
    (173)
    Regular Price $409.99 Special Price $189.99
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Items 49-72 of 1243

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  1. Primary Weapons Systems MK111 Mod 1-M 11.85" Upper .223 Wylde M-LOK Rail, Black

    Primary Weapons Systems MK111 Mod 1-M 11.85" Upper .223 Wylde M-LOK Rail, Black

    $988.99
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  2. Faxon Firearms ION Ultralight 14.50" Upper 5.56x45mm M-LOK Rail, Black

    Faxon Firearms ION Ultralight 14.50" Upper 5.56x45mm M-LOK Rail, Black

    $989.99
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  3. Faxon Firearms ARAK-21 12.50" Upper 5.56x45mm, Black

    Faxon Firearms ARAK-21 12.50" Upper 5.56x45mm, Black

    $959.99
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  4. FightLite MCR Dual-Feed 12.50" Upper 5.56x45mm 1:7 Mil-Std 1913 Picatinny Rail, Black

    FightLite MCR Dual-Feed 12.50" Upper 5.56x45mm 1:7 Mil-Std 1913 Picatinny Rail, Black

    $6,401.99
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  5. FightLite MCR Dual-Feed 16.25" Upper 5.56x45mm 1:7 M-LOK Picatinny Rail, Black

    FightLite MCR Dual-Feed 16.25" Upper 5.56x45mm 1:7 M-LOK Picatinny Rail, Black

    Regular Price $6,943.99 Special Price $6,254.99
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  6. Stern Defense 4" Classic Upper 9mm 1:10 Free Float M-LOK Rail, Black

    Stern Defense 4" Classic Upper 9mm 1:10 Free Float M-LOK Rail, Black

    $444.99
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  7. Battle Arms Workhorse 16" Upper .223 Wylde 1:8 Free Float M-LOK Rail Carbine-Length, Gray

    Battle Arms Workhorse 16" Upper .223 Wylde 1:8 Free Float M-LOK Rail Carbine-Length, Gray

    $809.99
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  8. Battle Arms Workhorse 16" Upper .223 Wylde 1:8 Free Float M-LOK Rail Carbine-Length, Gray

    Battle Arms Workhorse 16" Upper .223 Wylde 1:8 Free Float M-LOK Rail Carbine-Length, Gray

    $809.99
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  9. Battle Arms Workhorse 16" Upper .223 Wylde 1:8 Free Float M-LOK Rail Carbine-Length, Black

    Battle Arms Workhorse 16" Upper .223 Wylde 1:8 Free Float M-LOK Rail Carbine-Length, Black

    Regular Price $796.99 Special Price $717.99
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  10. Battle Arms Workhorse 16" Upper .223 Wylde 1:8 Free Float M-LOK Rail Carbine-Length, Black

    Battle Arms Workhorse 16" Upper .223 Wylde 1:8 Free Float M-LOK Rail Carbine-Length, Black

    $674.99
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  11. Battle Arms Authority Elite 16" Upper 5.56x45mm Free Float M-LOK Rail, Gray

    Battle Arms Authority Elite 16" Upper 5.56x45mm Free Float M-LOK Rail, Gray

    $984.99
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  12. Battle Arms Authority Elite 16" Upper 5.56x45mm Free Float M-LOK Rail, Black

    Battle Arms Authority Elite 16" Upper 5.56x45mm Free Float M-LOK Rail, Black

    $849.99
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  13. Battle Arms Authority Elite 16" Upper 5.56x45mm Free Float M-LOK Rail, Black

    Battle Arms Authority Elite 16" Upper 5.56x45mm Free Float M-LOK Rail, Black

    $849.99
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  14. Aero Precision M4E1 Threaded 16" Upper 5.56x45mm 1:7 M-LOK Rail Mid-Length, Flat Dark Earth

    Aero Precision M4E1 Threaded 16" Upper 5.56x45mm 1:7 M-LOK Rail Mid-Length, Flat Dark Earth

    $641.99
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  15. Aero Precision M4E1 Threaded 16" Upper 5.56x45mm 1:7 M-LOK Rail Mid-Length, Black

    Aero Precision M4E1 Threaded 16" Upper 5.56x45mm 1:7 M-LOK Rail Mid-Length, Black

    $604.99
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  16. Aero Precision AR-15 20" Classic Upper 5.56x45mm 1:7 A2 Rifle-Length, Black

    Aero Precision AR-15 20" Classic Upper 5.56x45mm 1:7 A2 Rifle-Length, Black

    $555.99
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  17. Aero Precision AR-15 16" MOE Upper 5.56x45mm 1:7 MOE M-LOK Rail SL Mid-Length, Flat Dark Earth

    Aero Precision AR-15 16" MOE Upper 5.56x45mm 1:7 MOE M-LOK Rail SL Mid-Length, Flat Dark Earth

    $424.99
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  18. TacFire 5" Upper 7.62x39mm 1:10 Free Float M-LOK Picatinny Rail, Black

    TacFire 5" Upper 7.62x39mm 1:10 Free Float M-LOK Picatinny Rail, Black

    $328.99
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  19. Stern Defense 16.10" Classic Upper 9mm 1:10 Free Float M-LOK Rail, Black

    Stern Defense 16.10" Classic Upper 9mm 1:10 Free Float M-LOK Rail, Black

    $522.99
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  20. TacFire 5" Upper .300 AAC Blackout 1:7 M-LOK Rail, Black

    TacFire 5" Upper .300 AAC Blackout 1:7 M-LOK Rail, Black

    $328.99
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  21. Sons of Liberty Gun Works L89 V2 5.56 16" Upper 5.56x45mm 1:7 M-LOK Rail Mid-Length, Black

    Sons of Liberty Gun Works L89 V2 5.56 16" Upper 5.56x45mm 1:7 M-LOK Rail Mid-Length, Black

    Regular Price $1,204.99 Special Price $1,084.99
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  22. Lead & Steel All-Rounder Carbine 14.50" Upper 5.56x45mm 1:8 Free Float M-LOK Rail, Flat Dark Earth

    Lead & Steel All-Rounder Carbine 14.50" Upper 5.56x45mm 1:8 Free Float M-LOK Rail, Flat Dark Earth

    $663.99
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  23. Lead & Steel All-Rounder Carbine 13.90" Upper 5.56x45mm 1:8 Free Float M-LOK Rail, Flat Dark Earth

    Lead & Steel All-Rounder Carbine 13.90" Upper 5.56x45mm 1:8 Free Float M-LOK Rail, Flat Dark Earth

    $663.99
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  24. Lead & Steel All-Rounder Carbine 13.90" Upper 5.56x45mm 1:8 Free Float M-LOK Rail, OD Green

    Lead & Steel All-Rounder Carbine 13.90" Upper 5.56x45mm 1:8 Free Float M-LOK Rail, OD Green

    $663.99
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  1. Pistol Uppers 492
  2. Left Handed Uppers 8
  3. Railed Uppers 625
  4. 300 Blackout Uppers 144
  5. MOE Uppers 79
  6. Classic Uppers 102
  7. Premium Uppers 198
  8. AR-PCC Uppers 121
  9. 6.5 Grendel 13
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