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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. 

Pistol Uppers

Pistol Uppers
Railed Uppers

Railed Uppers
MOE Uppers

MOE Uppers
Classic Uppers

Classic Uppers
Premium Uppers

Premium Uppers
AR-PCC Uppers

AR-PCC Uppers
300 Blackout Uppers

300 Blackout Uppers
6.5 Grendel

6.5 Grendel
Pistol Kits

Pistol Kits
Rifle Kits

Rifle Kits
Upper Receiver Parts

Upper Receiver Parts
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Items 1-24 of 948

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  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%
    (163)
    Regular Price $599.99 Special Price $279.99
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  2. PSA AR-15 5.56 Upper 16" Mid-Length 15" LTWT M-lok w/ BCG, CH, & MBUS Sight Set

    PSA AR-15 5.56 Upper 16" Mid-Length 15" LTWT M-lok w/ BCG, CH, & MBUS Sight Set

    Rating:
    90%
    (22)
    Regular Price $619.99 Special Price $369.99
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  3. PSA 10.5" 5.56 NATO 1:7 Nitride Upper - without BCG or Charging Handle - 507020

    PSA 10.5" 5.56 NATO 1:7 Nitride Upper - without BCG or Charging Handle - 507020

    Rating:
    94%
    (400)
    Regular Price $399.99 Special Price $159.99
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  4. PSA 8.5" Pistol-length 300AAC Blackout 1/8 Phosphate 7" Lightweight M-Lok Upper With BCG & CH

    PSA 8.5" Pistol-length 300AAC Blackout 1/8 Phosphate 7" Lightweight M-Lok Upper With BCG & CH

    Rating:
    94%
    (157)
    Regular Price $539.99 Special Price $289.99
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  5. PSA AR-15 Upper 5.56 16" 1:7 Socom Nitride 13.5" Lightweight M-Lok w/NiBx BCG, CH, & MBUS Sight Set

    PSA AR-15 Upper 5.56 16" 1:7 Socom Nitride 13.5" Lightweight M-Lok w/NiBx BCG, CH, & MBUS Sight Set

    Rating:
    94%
    (17)
    Regular Price $599.34 Special Price $369.99
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  6. pinned and welded upper

    PSA 14.7" Mid-length CHF 5.56 NATO 1:7 13.5" Lightweight M-Lok Upper Pinned & Welded - No BCG or CH - 77932796

    Rating:
    94%
    (261)
    Regular Price $679.99 Special Price $429.99
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  7. PSA 7.5" Pistol-length 300AAC Blackout 1/8 Phosphate 7" Lightweight M-Lok Upper Without BCG or CH

    PSA 7.5" Pistol-length 300AAC Blackout 1/8 Phosphate 7" Lightweight M-Lok Upper Without BCG or CH

    Rating:
    94%
    (106)
    Regular Price $429.99 Special Price $199.99
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  8. psa 16" classic freedom m4 fde upper with bcg and charging handle

    PSA 16" Carbine Length 5.56 NATO Classic Freedom M4 Upper w/ BCG and CH, Flat Dark Earth - 7779344

    Rating:
    96%
    (358)
    Regular Price $389.99 Special Price $279.99
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  9. PSA 8.5" Pistol-length 5.56 NATO 1/7 Nitride 7" Lightweight M-Lok Upper w/o BCG or CH - 516447044

    PSA 8.5" Pistol-length 5.56 NATO 1/7 Nitride 7" Lightweight M-Lok Upper w/o BCG or CH - 516447044

    Rating:
    96%
    (59)
    Regular Price $419.99 Special Price $179.99
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  10. PSA 7.5" 5.56 NATO 1/7 Phosphate 7" Lightweight M-Lok Upper w/BCG & CH

    PSA 7.5" 5.56 NATO 1/7 Phosphate 7" Lightweight M-Lok Upper w/BCG & CH

    Rating:
    96%
    (127)
    Regular Price $679.99 Special Price $299.99
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  11. PSA 10.5" CHF Carbine-Length 5.56 NATO 1/7 9" Lightweight M-Lok Upper - With Nickel Boron BCG & CH

    PSA 10.5" CHF Carbine-Length 5.56 NATO 1/7 9" Lightweight M-Lok Upper - With Nickel Boron BCG & CH

    Rating:
    94%
    (55)
    Regular Price $899.99 Special Price $559.99
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  12. 16 inch carbine ar-15 rifle barreled upper assembly

    PSA AR-15 Upper 5.56 16" Carbine-Lgth 1:7 M4 Nitride MOE w/ Rear MBUS, BCG, & CH

    Rating:
    98%
    (310)
    Regular Price $599.99 Special Price $319.99
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  13. BLEM PSA Gen4 10.5" 9mm 1/10 Nitride 9" Lightweight M-lok Railed Upper - With BCG & CH

    BLEM PSA Gen4 10.5" 9mm 1/10 Nitride 9" Lightweight M-lok Railed Upper - With BCG & CH

    Rating:
    94%
    (55)
    Regular Price $599.99 Special Price $319.99
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  14. 300 blackout upper receiver kit

    PSA 16" Pistol-Length 300AAC Blackout 1/8 Nitride 15" Lightweight M-Lok Upper - With BCG & CH - 5165448932

    Rating:
    96%
    (258)
    Regular Price $599.99 Special Price $349.99
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  15. ar 15 upper with carry handle

    PSA 20" Rifle Length 5.56 NATO 1:7 Nitride Freedom Upper With Carry Handle Assembly W/ BCG and CH

    Rating:
    92%
    (158)
    Regular Price $589.99 Special Price $349.99
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  16. PSA 16" Mid-Length 5.56 NATO 1:7 Nitride Timber Creek Enforcer 15" M-Lok Upper - Without BCG or CH

    PSA 16" Mid-Length 5.56 NATO 1:7 Nitride Timber Creek Enforcer 15" M-Lok Upper - Without BCG or CH

    Rating:
    96%
    (65)
    Regular Price $499.99 Special Price $289.99
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  17. PSA PA-9 Gen4 10.5" 9mm 1/10 Nitride 12" Slanted M-Lok Railed Upper With BCG & CH

    PSA PA-9 Gen4 10.5" 9mm 1/10 Nitride 12" Slanted M-Lok Railed Upper With BCG & CH

    Rating:
    98%
    (20)
    Regular Price $649.99 Special Price $299.99
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  18. PSA 11.5" 5.56 1/7 Phosphate Classic Upper - with BCG & Charging Handle

    PSA 11.5" 5.56 1/7 Phosphate Classic Upper - with BCG & Charging Handle

    Rating:
    94%
    (47)
    Regular Price $509.99 Special Price $289.99
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  19. PSA 16" Mid-Length 5.56 NATO 1:7 Nitride 13.5" Lightweight M-Lok Upper - With BCG & CH - 5165448422

    PSA 16" Mid-Length 5.56 NATO 1:7 Nitride 13.5" Lightweight M-Lok Upper - With BCG & CH - 5165448422

    Rating:
    94%
    (213)
    Regular Price $649.99 Special Price $349.99
    Add to Wish List Add to Compare
  20. PSA 11.5" Carbine-Length 5.56 1/7 Phosphate 10.5" Lightweight M-Lok Upper - With BCG & CH

    PSA 11.5" Carbine-Length 5.56 1/7 Phosphate 10.5" Lightweight M-Lok Upper - With BCG & CH

    Rating:
    94%
    (72)
    Regular Price $699.99 Special Price $329.99
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  21. 10.5" lightweight mlok upper

    PSA 10.5" 5.56 NATO 1/7 Nitride 10.5" Lightweight M-Lok Upper - With BCG & CH - 5165449682

    Rating:
    96%
    (73)
    Regular Price $619.99 Special Price $329.99
    Add to Wish List Add to Compare
  22. PSA Gen4 10.5" 9mm 1/10 Nitride 9" Lightweight M-lok Railed Upper - With BCG & CH

    PSA Gen4 10.5" 9mm 1/10 Nitride 9" Lightweight M-lok Railed Upper - With BCG & CH

    Rating:
    92%
    (14)
    Regular Price $599.99 Special Price $319.99
    Add to Wish List Add to Compare
  23. PSA Gen4 8" 9mm 1/10 Nitride 7" Lightweight M-Lok Upper - With BCG & CH

    PSA Gen4 8" 9mm 1/10 Nitride 7" Lightweight M-Lok Upper - With BCG & CH

    Rating:
    94%
    (27)
    Regular Price $609.99 Special Price $319.99
    Add to Wish List Add to Compare
  24. PSA 20" Rifle-Length 6.5 Grendel 1/8 Stainless Steel 15" M-Lok Upper With BCG & CH

    PSA 20" Rifle-Length 6.5 Grendel 1/8 Stainless Steel 15" M-Lok Upper With BCG & CH

    Rating:
    90%
    (173)
    Regular Price $709.99 Special Price $399.99
    Add to Wish List Add to Compare
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Items 1-24 of 948

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  1. Pistol Uppers 225
  2. Railed Uppers 453
  3. MOE Uppers 64
  4. Classic Uppers 90
  5. Premium Uppers 196
  6. AR-PCC Uppers 90
  7. 300 Blackout Uppers 107
  8. 6.5 Grendel 12
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