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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 1-23 of 5604

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  1. 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%
    (984)
    Regular Price $199.99 Special Price $109.99
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  2. 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 $12.99 When you add both!
    Regular Price $132.98 Special Price $119.99
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  3. PSA Premium 5.56 Nickel Boron BCG & 10 Magpul PMAG Gen 2 MOE 5.56x45 30rd Magazines

    PSA Premium 5.56 Nickel Boron BCG & 10 Magpul PMAG Gen 2 MOE 5.56x45 30rd Magazines

    SAVE $96.09 When you add both!
    Regular Price $252.99 Special Price $156.90
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  4. PSA Nitride MPI Full-Auto 5.56 BCG & 5 Magpul PMAG Gen2 MOE 5.56 30rd Magazines

    PSA Nitride MPI Full-Auto 5.56 BCG & 5 Magpul PMAG Gen2 MOE 5.56 30rd Magazines

    SAVE $28.00 When you add both!
    Regular Price $141.49 Special Price $113.49
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  5. 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%
    (184)
    Regular Price $179.99 Special Price $119.99
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  6. 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%
    (601)
    Regular Price $199.99 Special Price $109.99
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  7. PSA .22 LR Bolt Carrier Group - Stainless Steel

    PSA .22 LR Bolt Carrier Group - Stainless Steel

    Rating:
    98%
    (22)
    Regular Price $249.99 Special Price $106.99
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  8. 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 $39.00 When you add both!
    Regular Price $124.98 Special Price $85.98
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  9. Breek Arms - Rugged Rail MOD2 Handguard, 15" - BRK1516

    Breek Arms - Rugged Rail MOD2 Handguard, 15" - BRK1516

    $119.99
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  10. Breek Arms - Rugged Rail MOD2 Handguard, 9.7" - BRK1513

    Breek Arms - Rugged Rail MOD2 Handguard, 9.7" - BRK1513

    $99.99
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  11. Breek Arms - Flash Hider, 9mm, 1/2x28, 13/16x16 Outside Threads - BRK4057

    Breek Arms - Flash Hider, 9mm, 1/2x28, 13/16x16 Outside Threads - BRK4057

    $29.99
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  12. Breek Arms - Single Port Muzzle Brake, 9mm, 1/2x28, 13/16x16 Outside Threads - BRK4050

    Breek Arms - Single Port Muzzle Brake, 9mm, 1/2x28, 13/16x16 Outside Threads - BRK4050

    $27.99
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  13. Breek Arms - Single Port Muzzle Brake, .30 Cal, 5/8x24, 13/16x16 Outside Threads - BRK4048

    Breek Arms - Single Port Muzzle Brake, .30 Cal, 5/8x24, 13/16x16 Outside Threads - BRK4048

    $27.99
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  14. Breek Arms - Single Port Muzzle Brake, 5.56, 1/2x28, 13/16x16 Outside Threads - BRK4047

    Breek Arms - Single Port Muzzle Brake, 5.56, 1/2x28, 13/16x16 Outside Threads - BRK4047

    $27.99
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  15. Breek Arms - 2 Port Muzzle Brake, .30 Cal, 5/8x24, 13/16x16 Outside Threads - BRK4044

    Breek Arms - 2 Port Muzzle Brake, .30 Cal, 5/8x24, 13/16x16 Outside Threads - BRK4044

    $29.99
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  16. Breek Arms - 2 Port Muzzle Brake, 5.56, 1/2x28, 13/16x16 Outside Threads - BRK4043

    Breek Arms - 2 Port Muzzle Brake, 5.56, 1/2x28, 13/16x16 Outside Threads - BRK4043

    $29.99
    Add to Wish List Add to Compare
  17. Breek Arms - Cage Flash Hider, 9mm, 1/2x28, 13/16x16 Outside Threads - BRK4042

    Breek Arms - Cage Flash Hider, 9mm, 1/2x28, 13/16x16 Outside Threads - BRK4042

    $29.99
    Add to Wish List Add to Compare
  18. Breek Arms - Cage Flash Hider, .30 Cal, 5/8x24, 13/16x16 Outside Threads - BRK4040

    Breek Arms - Cage Flash Hider, .30 Cal, 5/8x24, 13/16x16 Outside Threads - BRK4040

    $29.99
    Add to Wish List Add to Compare
  19. Breek Arms - Cage Flash Hider, 5.56, 1/2x28, 13/16x16 Outside Threads - BRK4039

    Breek Arms - Cage Flash Hider, 5.56, 1/2x28, 13/16x16 Outside Threads - BRK4039

    $29.99
    Add to Wish List Add to Compare
  20. Breek Arms - Short Flash Hider, 9mm, 1/2x28, 13/16x16 Outside Threads - BRK4036

    Breek Arms - Short Flash Hider, 9mm, 1/2x28, 13/16x16 Outside Threads - BRK4036

    $27.99
    Add to Wish List Add to Compare
  21. Breek Arms - Short Flash Hider, .30 Cal, 5/8x24, 13/16x16 Outside Threads - BRK4034

    Breek Arms - Short Flash Hider, .30 Cal, 5/8x24, 13/16x16 Outside Threads - BRK4034

    $27.99
    Add to Wish List Add to Compare
  22. Breek Arms - Short Flash Hider, 5.56, 1/2x28, 13/16x16 Outside Threads - BRK4033

    Breek Arms - Short Flash Hider, 5.56, 1/2x28, 13/16x16 Outside Threads - BRK4033

    $27.99
    Add to Wish List Add to Compare
  23. Breek Arms - Echo Single-Port Muzzle Brake for 3QD, 9mm, 1/2x28 - BRK4333

    Breek Arms - Echo Single-Port Muzzle Brake for 3QD, 9mm, 1/2x28 - BRK4333

    $54.99
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Items 1-23 of 5604

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Category
  1. Handguards & Rails 1517
  2. Stripped Upper Receivers 141
  3. Barrels & Barrel Assemblies 681
  4. Bolt Carrier Groups 367
  5. Charging Handles 299
  6. Dust Covers 119
  7. Firing Pins 46
  8. Foregrips 238
  9. Forward Assist 47
  10. Gas Blocks 116
  11. Gas Tubes 137
  12. Individual Upper Parts 1438
  13. Muzzle Accessories 463
  14. Piston Conversion Kits & Parts 3
  15. Carry Handles 9
  16. Upper Repair Kits 18
  17. Upper Accessories 83
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