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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.

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
Handguards & Rails

Handguards & Rails
Individual Upper Parts

Individual Upper Parts
Muzzle Accessories

Muzzle Accessories
Piston Conversion Kits & Parts

Piston Conversion Kits & Parts
Upper Repair Kits

Upper Repair Kits
Stripped Upper Receivers

Stripped Upper Receivers
Upper Accessories

Upper Accessories
View as Grid View List View

Items 1-24 of 1907

Page
Set Descending Direction
  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:
    96%
    (526)
    Regular Price $199.99 Special Price $99.99
    Add to Wish List Add to Compare
  2. psa ar15 and m16 7075 t6 forged mil-spec charging handle

    PSA AR-15 Charging Handle 7075 T6 Forged Mil-Spec - 24080

    Rating:
    96%
    (320)
    Regular Price $27.95 Special Price $15.99
    Add to Wish List Add to Compare
  3. PSA Custom Fathers of Freedom 5.56 Full Auto Profile Phosphate Coated Bolt Carrier by Microbest

    PSA Custom Fathers of Freedom 5.56 Full Auto Profile Phosphate Coated Bolt Carrier by Microbest

    Rating:
    96%
    (68)
    Regular Price $134.95 Special Price $99.99
    Add to Wish List Add to Compare
  4. 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%
    (1833)
    Regular Price $129.99 Special Price $79.99
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  5. PSA Custom AR-15 Charging Handle Ambidextrous

    PSA Custom AR-15 Charging Handle Ambidextrous

    Rating:
    96%
    (197)
    Regular Price $56.95 Special Price $49.45
    Add to Wish List Add to Compare
  6. 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:
    98%
    (157)
    Regular Price $179.99 Special Price $109.99
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  7. 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%
    (465)
    Regular Price $199.99 Special Price $99.99
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  8. Vortex Sport Cantilever 30mm Ring Mount, 2-Inch Offset

    Vortex Sport Cantilever 30mm AR Mount w/ 2" Offset ‒ CM-202

    Rating:
    94%
    (158)
    Regular Price $179.99 Special Price $119.99
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  9. CMMG .22 LR Conversion Kit Bravo with 3-10 Round Magazines - 22BA6AE

    CMMG .22 LR Conversion Kit Bravo with 3-10 Round Magazines - 22BA6AE

    Rating:
    98%
    (54)
    Regular Price $249.99 Special Price $191.99
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  10. Geissele Super Charging Handle (SCH) 5.56 - Black - 05-313B

    Geissele Super AR-15 Charging Handle, Black - 05-313B

    Rating:
    98%
    (116)
    Regular Price $129.99 Special Price $105.00
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  11. PSA Custom Cross-Cut Lightweight 9" MLOK Partial Picatinny Handguard

    PSA Custom Cross-Cut Lightweight 9" MLOK Partial Picatinny Handguard

    Rating:
    96%
    (65)
    Regular Price $84.95 Special Price $71.95
    Add to Wish List Add to Compare
  12. Streamlight Protac Rail Mount 1 LG Weapon Light

    Streamlight ProTac Railmount 1 Long Gun Light - 88058

    Rating:
    96%
    (18)
    Regular Price $136.99 Special Price $100.99
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  13. Geissele AR-15 Airborne Charging Handle (ACH) - 05-497B

    Geissele Airborne AR-15 Charging Handle, Black - 05-497B

    Rating:
    94%
    (7)
    $105.00
    Add to Wish List Add to Compare
  14. AR-15 Upper Receiver Parts

    PSA AR-15 Barrel 5.56 NATO 16" M4 Carbine-Length Nitride - 7782393

    Rating:
    98%
    (18)
    $149.99
    Add to Wish List Add to Compare
  15. Premium 5.56 Nickel Boron BCG with Carpenter 158 Bolt

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

    Rating:
    96%
    (1530)
    Regular Price $159.99 Special Price $99.99
    Add to Wish List Add to Compare
  16. 16" AR-15 5.56 Nitride Barrel

    PSA AR-15 Barrel 5.56 NATO 16" M4 Carbine-Length Nitride

    Rating:
    100%
    (7)
    Regular Price $119.99 Special Price $99.99
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  17. PSA Fluted 5.56 AR-15 Upper Receiver Flash Can

    PSA Custom Series 5.56 Fluted Flash Can (1/2x28)

    Rating:
    98%
    (80)
    $35.00
    Add to Wish List Add to Compare
  18. CMMG AR-15 Charging Handle Assembly

    CMMG AR15 Charging Handle Assembly, Black - 55BA5EC

    Rating:
    94%
    (51)
    Regular Price $39.99 Special Price $24.99
    Add to Wish List Add to Compare
  19. PSA AR-15 10.5" 5.56 NATO 10.5" 1:7 Carbine Nitride Barrel

    PSA AR-15 Barrel 10.5" 5.56 NATO 1:7 Carbine-Length Nitride -77932251

    Rating:
    98%
    (11)
    $99.99
    Add to Wish List Add to Compare
  20. PSA Custom AR-15 Upper Receiver 5.56 Full Auto Bolt Carrier Group, FDE

    PSA Custom 5.56 BCG DLC Coated- Dark Earth

    Rating:
    94%
    (90)
    $189.99
    Add to Wish List Add to Compare
  21. 5.56 AR-15 Upper Receiver Bolt Carrier Group

    PSA 5.56 Phosphate MPI Full-Auto Bolt Carrier Group

    Rating:
    100%
    (37)
    Regular Price $139.99 Special Price $89.99
    Add to Wish List Add to Compare
  22. AR-15 Upper Build Kit

    PSA AR15 Upper Build Kit - 28084

    Rating:
    94%
    (43)
    Regular Price $39.99 Special Price $29.99
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  23. CMMG Carbine Length Gas Tube Kit

    CMMG Carbine-Length AR-15 Gas Tube Kit - 55DA193

    Rating:
    98%
    (13)
    Regular Price $22.99 Special Price $16.99
    Add to Wish List Add to Compare
  24. Toolcraft Logo'd Carpenter 158 Nitride Full-Auto Bolt Carrier Group

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

    Rating:
    98%
    (133)
    Regular Price $129.99 Special Price $89.99
    Add to Wish List Add to Compare
View as Grid View List View

Items 1-24 of 1907

Page
Set Descending Direction
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Category
  1. Barrels & Barrel Assemblies 106
  2. Bolt Carrier Groups 72
  3. Charging Handles 61
  4. Dust Covers 89
  5. Firing Pins 37
  6. Foregrips 185
  7. Forward Assist 34
  8. Gas Blocks 22
  9. Gas Tubes 97
  10. Handguards & Rails 883
  11. Individual Upper Parts 89
  12. Muzzle Accessories 114
  13. Piston Conversion Kits & Parts 7
  14. Upper Repair Kits 11
  15. Stripped Upper Receivers 39
  16. Upper Accessories 90
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