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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 5576

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  1. 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 $9.99 When you add both!
    Regular Price $129.98 Special Price $119.99
    Add to Wish List Add to Compare
  2. R&D Precision AR45 Bolt Carrier Group

    R&D Precision AR45 Bolt Carrier Group

    Rating:
    89%
    (31)
    Regular Price $149.99 Special Price $29.99
    Add to Wish List Add to Compare
  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

    $89.98
    Add to Wish List Add to Compare
  4. Lead Star Arms Ravage Muzzle Brake 9mm 1/2"x28, Black

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

    Rating:
    100%
    (1)
    $49.99
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  5. 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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  6. Blem PSA AR-15 Complete Upper Receiver

    Blem PSA AR-15 Complete Upper Receiver

    Rating:
    97%
    (161)
    $59.99
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  7. 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%
    (212)
    $109.99
    Add to Wish List Add to Compare
  8. 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%
    (701)
    $119.99
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  9. Toolcraft Logo'd Carpenter 158 Nitride Full-Auto Bolt Carrier Group

    Toolcraft Logo'd Carpenter 158 Nitride Full-Auto Bolt Carrier Group

    Rating:
    98%
    (533)
    Regular Price $99.99 Special Price $69.99
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  10. Toolcraft 5.56 Phosphate MPI Full-Auto Bolt Carrier Group - No Logo

    Toolcraft 5.56 Phosphate MPI Full-Auto Bolt Carrier Group - No Logo

    Rating:
    94%
    (278)
    Regular Price $99.99 Special Price $79.99
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  11. PSA 5.56 Nitride MPI Full-Auto Bolt Carrier Group

    PSA AR-15 Bolt Carrier Group 5.56 Full-Auto Nitride MPI - 516446953

    Rating:
    96%
    (2230)
    Regular Price $89.99 Special Price $69.99
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  12. 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%
    (1260)
    Regular Price $119.99 Special Price $89.99
    Add to Wish List Add to Compare
  13. Streamlight Protac Rail Mount 1 LG Weapon Light

    Streamlight ProTac Railmount 1 Long Gun Light - 88058

    Rating:
    95%
    (209)
    Regular Price $199.99 Special Price $99.99
    Add to Wish List Add to Compare
  14. Premium 5.56 Nickel Boron BCG with Carpenter 158 Bolt

    Premium 5.56 Nickel Boron BCG with Carpenter 158 Bolt - No Logo

    Rating:
    97%
    (1661)
    Regular Price $109.99 Special Price $89.99
    Add to Wish List Add to Compare
  15. PSA 5.56 Premium Full Auto Bolt Carrier Group

    PSA 5.56 Premium Full Auto Bolt Carrier Group with Logo - 8779

    Rating:
    95%
    (1517)
    Regular Price $119.99 Special Price $79.99
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  16. PSA Premium Extended Latch Charging Handle

    PSA Premium Extended Latch Charging Handle

    Rating:
    90%
    (10)
    $19.99
    Add to Wish List Add to Compare
  17. PSA .22 LR Bolt Carrier Group - Stainless Steel

    PSA .22 LR Bolt Carrier Group - Stainless Steel

    Rating:
    97%
    (43)
    $119.99
    Add to Wish List Add to Compare
  18. 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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  19. Faxon Firearms Match Series 14.5" Pencil .223 Wylde Mid Length Barrel

    Faxon Firearms Match Series 14.5" Pencil .223 Wylde Mid Length Barrel

    Regular Price $235.99 Special Price $211.99
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  20. Breek Arms - Flash Hider, 9mm, 5/8x24, 13/16x16 Outside Threads - BRK4059

    Breek Arms - Flash Hider, 9mm, 5/8x24, 13/16x16 Outside Threads - BRK4059

    Rating:
    100%
    (1)
    Regular Price $34.99 Special Price $30.99
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  21. 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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  22. PSA Custom Carbon Fiber Furniture Set - PCC

    PSA Custom Carbon Fiber Furniture Set - PCC

    $549.99
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  23. 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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  24. 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
    Add to Wish List Add to Compare
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Items 1-24 of 5576

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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 304
  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 1430
  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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