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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 1-24 of 5572

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  1. R&D Precision AR45 Bolt Carrier Group

    R&D Precision AR45 Bolt Carrier Group

    Rating:
    87%
    (14)
    Regular Price $149.99 Special Price $29.99
    Add to Wish List Add to Compare
  2. Toolcraft Premium 5.56 Nickel Boron BCG With Carpenter 158 Bolt

    Toolcraft Logo'd Premium 5.56 Nickel Boron BCG with Carpenter 158 Bolt - 5165449729

    Rating:
    97%
    (1254)
    Regular Price $119.99 Special Price $109.99
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  3. Toolcraft Logo'd Carpenter 158 Nitride Full-Auto BCG & PSA AR-15 Charging Handle 7075 T6 Forged Mil-Spec

    Toolcraft Logo'd Carpenter 158 Nitride Full-Auto BCG & PSA AR-15 Charging Handle 7075 T6 Forged Mil-Spec

    SAVE $19.99 When you add both!
    Regular Price $109.98 Special Price $89.99
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  4. Toolcraft 5.56 Phosphate MPI Full-Auto BCG - No Logo & PSA AR15/PA10 EPT - Enhanced Polished FCG

    Toolcraft 5.56 Phosphate MPI Full-Auto BCG - No Logo & PSA AR15/PA10 EPT - Enhanced Polished FCG

    SAVE $29.99 When you add both!
    Regular Price $149.98 Special Price $119.99
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  5. Lead Star Arms Ravage Muzzle Brake 9mm 1/2"x28, Black

    Lead Star Arms Ravage Muzzle Brake 9mm 1/2"x28, Black

    $49.99
    Add to Wish List Add to Compare
  6. Lead Star Arms Ravage Extended AR-15 Charging Handle Latch, Blue

    Lead Star Arms Ravage Extended AR-15 Charging Handle Latch, Blue

    $24.99
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  7. Blem PSA AR-15 Complete Upper Receiver

    Blem PSA AR-15 Complete Upper Receiver

    Rating:
    97%
    (158)
    $59.99
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  8. Toolcraft Non-Logoed Premium 5.56 Nickel Boron BCG with Carpenter 158 Bolt

    Toolcraft Non-Logoed Premium 5.56 Nickel Boron BCG with Carpenter 158 Bolt

    Rating:
    99%
    (211)
    $109.99
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  9. Premium 5.56 Nickel Boron BCG With Carpenter 158 Bolt

    PSA Logoed Premium 5.56 Nickel Boron BCG with Carpenter 158 Bolt - 516446450

    Rating:
    96%
    (698)
    $119.99
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  10. PSA Premium Extended Latch Charging Handle

    PSA Premium Extended Latch Charging Handle

    Rating:
    93%
    (9)
    $19.99
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  11. Rise Armament 15" Lightweight M-Lok AR-15 Handguard

    Rise Armament 15" Lightweight M-LOK Free Floating AR-15 Handguard - RA-905-150

    Rating:
    73%
    (3)
    Regular Price $223.99 Special Price $200.99
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  12. Breek Arms - Warhammer MOD2 Micro Ambi Charging Handle - BRK555-MGRAY

    Breek Arms - Warhammer MOD2 Micro Ambi Charging Handle - BRK555-MGRAY

    Rating:
    95%
    (12)
    Regular Price $55.99 Special Price $49.99
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  13. WMD Guns .308 Bolt Carrier Group w/o Hammer Nib-X DPMS Compatible Style - NIBXBCG308

    WMD Guns .308 Bolt Carrier Group w/o Hammer Nib-X DPMS Compatible Style - NIBXBCG308

    Regular Price $257.99 Special Price $233.99
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  14. WMD Guns AR-15 Bolt Carrier Group with Hammer, Nib-X Coating - NIBXBCG-0002

    WMD Guns AR-15 Bolt Carrier Group with Hammer, Nib-X Coating - NIBXBCG-0002

    Rating:
    100%
    (1)
    Regular Price $185.99 Special Price $166.99
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  15. WMD Guns Bolt Carrier Group Without Hammer, NiB-X - NIBXBCG-0001

    WMD Guns Bolt Carrier Group Without Hammer, NiB-X - NIBXBCG-0001

    Rating:
    100%
    (5)
    Regular Price $167.99 Special Price $150.99
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  16. Bravo Company MCMR MLOK Compatible 5.5" Rail Panel Kit 5/Pack, Flat Dark Earth - BCM-MCMR-RP-FDE-5

    Bravo Company MCMR MLOK Compatible 5.5" Rail Panel Kit 5/Pack, Flat Dark Earth - BCM-MCMR-RP-FDE-5

    Rating:
    100%
    (6)
    Regular Price $13.99 Special Price $9.99
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  17. Bravo Company Mfg Polymer Carbine Length KeyMod Rail, Flat Dark Earth - PKMR-CAR-FDE

    Bravo Company Mfg Polymer Carbine Length KeyMod Rail, Flat Dark Earth - PKMR-CAR-FDE

    Rating:
    100%
    (2)
    Regular Price $39.99 Special Price $35.99
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  18. Phase 5 Pigtail Pistol-Length AR-15 Gas Tube - PIGTAIL

    Phase 5 Pigtail Pistol-Length AR-15 Gas Tube - PIGTAIL

    Rating:
    100%
    (1)
    Regular Price $82.99 Special Price $73.99
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  19. Odin Works AR-15 Upper 12.5" Free Float Handguard

    Odin Works Ragna 12.5" Free Float M-LOK Handguard, Black - F-12-ML-RA

    Regular Price $163.99 Special Price $146.99
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  20. Stubby Vert Grip FDE--BGV-MK46K FDE

    Stubby Vert Grip FDE--BGV-MK46K FDE

    Regular Price $78.99 Special Price $70.99
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  21. Blackhawk! Heavy Duty Push Button Sling Swivel, Black - 71SS00BK

    Blackhawk! Heavy Duty Push Button Sling Swivel, Black - 71SS00BK

    Rating:
    100%
    (1)
    Regular Price $19.99 Special Price $17.99
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  22. Troy Q.D. Swivel w/ TRX Cooling Hole Low-Pro Mount - SRAI-TRX-HERP-00

    Troy Q.D. Swivel w/ TRX Cooling Hole Low-Pro Mount - SRAI-TRX-HERP-00

    Rating:
    100%
    (1)
    Regular Price $45.99 Special Price $40.99
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  23. AR-15 Upper Receiver Parts

    Daniel Defense AR-15 Gas Block .750 Low Profile

    Rating:
    100%
    (1)
    Regular Price $82.99 Special Price $73.99
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  24. AR-15 Upper Receiver Parts

    Defense Omega Omega Rail 7.0, Carbine 01-005-10001

    Rating:
    100%
    (2)
    Regular Price $266.99 Special Price $239.99
    Add to Wish List Add to Compare
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Items 1-24 of 5572

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Category
  1. Handguards & Rails 1536
  2. Stripped Upper Receivers 146
  3. Barrels & Barrel Assemblies 654
  4. Bolt Carrier Groups 352
  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 1427
  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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