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AR-15 Upper Parts

Browse Palmetto State Armory's vast selection of AR-15 upper parts to build your upper from the ground up or to upgrade your AR-15 upper. With everything from bolt carrier groups, AR-15 charging handles, muzzle accessories, rails, and much more, you are sure to find what you need at Palmetto State Armory. All Palmetto State Armory branded upper parts and lower parts are American-made and feature our full lifetime warranty.

Handguards & Rails

Handguards & Rails
Stripped Upper Receivers

Stripped Upper Receivers
Barrels & Barrel Assemblies

Barrels & Barrel Assemblies
Bolt Carrier Groups

Bolt Carrier Groups
Charging Handles

Charging Handles
Dust Covers

Dust Covers
Firing Pins

Firing Pins
Foregrips

Foregrips

Forward Assist

Forward Assist
Gas Blocks

Gas Blocks
Gas Tubes

Gas Tubes
Individual Upper Parts

Individual Upper Parts
Muzzle Accessories

Muzzle Accessories
Piston Conversion Kits & Parts

Piston Conversion Kits & Parts
Carry Handles

Carry Handles

Upper Repair Kits

Upper Repair Kits
Upper Accessories

Upper Accessories
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Items 1273-1296 of 5570

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  1. Magpul Industries Enhanced Ejection Port Cover, Polymer Construction, Black

    Magpul Industries Enhanced Ejection Port Cover, Polymer Construction, Black

    Rating:
    80%
    (4)
    Regular Price $20.99 Special Price $14.99
    Add to Wish List Add to Compare
  2. San Tan Tactical Gas Tube Mid Length, Black Nitride Coated, Gas Tube Kit with Pin

    San Tan Tactical Gas Tube Mid Length, Black Nitride Coated, Gas Tube Kit with Pin

    Regular Price $24.99 Special Price $19.99
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  3. Wilson Combat Recon AR-15 16" 1:8 Stainless Bead Blasted Barrel, 5.56 NATO - TR556RCIG16RT8

    Wilson Combat Recon AR-15 16" 1:8 Stainless Bead Blasted Barrel, 5.56 NATO - TR556RCIG16RT8

    Rating:
    90%
    (2)
    Regular Price $300.99 Special Price $270.99
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  4. Fortis Billet AR-15 Dust Cover, FDE - DCSTANDFDE

    Fortis Billet AR-15 Dust Cover, FDE - DCSTANDFDE

    Regular Price $36.99 Special Price $32.99
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  5. Q Barrel, Light Profile, 8", 1:3 Twist, 8.6 Blackout, fits Q Fix, Matte Stainless Finish, Gray

    Q Barrel, Light Profile, 8", 1:3 Twist, 8.6 Blackout, fits Q Fix, Matte Stainless Finish, Gray

    Regular Price $500.99 Special Price $450.99
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  6. Q 300 Blackout Light Profile 7" 1:5 Twist Barrel for Honey Badger - BARRELHB3007

    Q 300 Blackout Light Profile 7" 1:5 Twist Barrel for Honey Badger - BARRELHB3007

    Regular Price $443.99 Special Price $425.00
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  7. Harrington & Richardson Retro Chrome Serrated Bolt Carrier Group

    Harrington & Richardson Retro Chrome Serrated Bolt Carrier Group

    Rating:
    100%
    (1)
    $179.99
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  8. Harrington & Richardson Retro "MP" AR-15 C158 Auto BCG, Non-Serrated

    Harrington & Richardson Retro "MP" AR-15 C158 Auto BCG, Non-Serrated

    Rating:
    91%
    (7)
    $184.99
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  9. Geissele MK16 13.50" M-LOK Rail, Desert Dirt Aluminum - 05-650S

    Geissele MK16 13.50" M-LOK Rail, Desert Dirt Aluminum - 05-650S

    Regular Price $417.99 Special Price $375.99
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  10. Geissele MK16 10.50" M-LOK Rail, Black Aluminum - 05-1073B

    Geissele MK16 10.50" M-LOK Rail, Black Aluminum - 05-1073B

    Rating:
    100%
    (1)
    Regular Price $369.99 Special Price $332.99
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  11. Hogue AR Platform OverMolded Grip, Black

    Hogue AR Platform OverMolded Grip, Black - 15020

    Rating:
    98%
    (23)
    Regular Price $28.99 Special Price $25.99
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  12. Faxon Duty Series 12.5" 5.56 Nitride Barrel- 15A58M125NGQ

    Faxon Duty Series 12.5" 5.56 Nitride Barrel- 15A58M125NGQ

    Regular Price $179.99 Special Price $161.99
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  13. Harrington & Richardson BLEM "Slickside" Stripped Upper Receiver, Black

    Harrington & Richardson BLEM "Slickside" Stripped Upper Receiver, Black

    Rating:
    100%
    (6)
    $139.99
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  14. Harrington & Richardson "Slickside" Stripped Upper Receiver, Black

    Harrington & Richardson "Slickside" Stripped Upper Receiver, Black

    Rating:
    100%
    (1)
    $159.99
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  15. PSA AR15 Silver Hammer Spring

    PSA AR15 Silver Hammer Spring

    $1.99
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  16. PSA "Sabre" Lightweight BCG - Black DLC

    PSA "Sabre" Lightweight BCG - Black DLC

    Rating:
    95%
    (4)
    $199.99
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  17. PSA "Sabre" Lightweight BCG - Chromium Nitride

    PSA "Sabre" Lightweight BCG - Chromium Nitride

    Rating:
    100%
    (2)
    $199.99
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  18. PSA "Sabre" Lightweight BCG - Tin

    PSA "Sabre" Lightweight BCG - Tin

    Rating:
    100%
    (1)
    $199.99
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  19. PSA "Sabre" FN CHF CL 13.7" Mid-Length 1:7 5.56 Nato Barrel

    PSA "Sabre" FN CHF CL 13.7" Mid-Length 1:7 5.56 Nato Barrel

    Rating:
    100%
    (1)
    $299.99
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  20. PSA "Sabre" QDSM 9.75" Rail

    Sabre-15 9.75" QDSM Rail, Black

    Rating:
    88%
    (5)
    $179.99
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  21. PSA "Sabre" QDSM 13 Rail

    Sabre-15 13" QDSM Rail, Black

    Rating:
    100%
    (1)
    $199.99
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  22. Harrington & Richardson Retro "MP" AR-15 Auto BCG & Charging Handle

    Harrington & Richardson Retro "MP" AR-15 Auto BCG & Charging Handle

    Rating:
    100%
    (6)
    $169.99
    Add to Wish List Add to Compare
  23. Harrington & Richardson Aluminum Slip Ring, Black

    Harrington & Richardson Aluminum Slip Ring, Black

    Rating:
    100%
    (1)
    $19.99
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  24. Harrington & Richardson Retro "MP" AR-15 C158 Auto BCG

    Harrington & Richardson Retro "MP" AR-15 C158 Auto BCG

    Rating:
    100%
    (2)
    $149.99
    Add to Wish List Add to Compare
View as Grid View List View

Items 1273-1296 of 5570

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Shopping Options
Category
  1. Handguards & Rails 1532
  2. Stripped Upper Receivers 146
  3. Barrels & Barrel Assemblies 653
  4. Bolt Carrier Groups 356
  5. Charging Handles 301
  6. Dust Covers 119
  7. Firing Pins 43
  8. Foregrips 253
  9. Forward Assist 49
  10. Gas Blocks 176
  11. Gas Tubes 136
  12. Individual Upper Parts 1426
  13. Muzzle Accessories 456
  14. Piston Conversion Kits & Parts 3
  15. Carry Handles 12
  16. Upper Repair Kits 17
  17. Upper Accessories 75
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