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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 169-192 of 5570

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  1. Brownells 3-Pack A2 Charging Handle Latch Spring, Silver

    Brownells 3-Pack A2 Charging Handle Latch Spring, Silver

    Regular Price $6.99 Special Price $5.69
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  2. Brownells 3-Pack Ejection Port Cover Spring, Silver

    Brownells 3-Pack Ejection Port Cover Spring, Silver

    Regular Price $6.99 Special Price $5.69
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  3. Brownells 3-Pack Extractor Spring

    Brownells 3-Pack Extractor Spring

    Regular Price $10.99 Special Price $9.39
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  4. Brownells 3-Pack Forward Assist Spring, Silver

    Brownells 3-Pack Forward Assist Spring, Silver

    Regular Price $5.99 Special Price $4.69
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  5. Ergo M4 Receiver Castle Nut, Black

    Ergo M4 Receiver Castle Nut, Black

    Rating:
    100%
    (1)
    Regular Price $7.99 Special Price $6.99
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  6. Ergo SureGrip Ambidextrous Rigid Grip, Black

    Ergo SureGrip Ambidextrous Rigid Grip, Black

    Regular Price $23.99 Special Price $20.99
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  7. Ergo 18-Slot Low-Profile Picatinny Rail Cover 6", OD Green

    Ergo 18-Slot Low-Profile Picatinny Rail Cover 6", OD Green

    Regular Price $9.99 Special Price $8.99
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  8. Ergo 18-Slot Low-Profile Picatinny Rail Cover 6", Black

    Ergo 18-Slot Low-Profile Picatinny Rail Cover 6", Black

    Regular Price $9.99 Special Price $8.99
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  9. JP Enterprises Recoil Eliminator 1/2-28, Black

    JP Enterprises Recoil Eliminator 1/2-28, Black

    Regular Price $126.99 Special Price $113.99
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  10. JP Enterprises Enhanced Cam Pin .223 Cal, Black

    JP Enterprises Enhanced Cam Pin .223 Cal, Black

    Regular Price $17.99 Special Price $15.99
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  11. JP Enterprises Full Mass Operating System Bolt Carrier .308 Win, Black

    JP Enterprises Full Mass Operating System Bolt Carrier .308 Win, Black

    $284.99
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  12. JP Enterprises FMOS Enhanced High Pressure Bolt Carrier Group .308 Win, Black

    JP Enterprises FMOS Enhanced High Pressure Bolt Carrier Group .308 Win, Black

    Regular Price $532.99 Special Price $479.99
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  13. JP Enterprises Firing/Retaining Pin, Black

    JP Enterprises Firing/Retaining Pin, Black

    Rating:
    70%
    (2)
    $4.99
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  14. JP Enterprises 2-Piece Low-Profile Adjustable Gas Block w/Detent Adjustment 0.75", Black

    JP Enterprises 2-Piece Low-Profile Adjustable Gas Block w/Detent Adjustment 0.75", Black

    $115.99
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  15. JP Enterprises FMOS Full Mass Bolt Carrier Group 6.5 Grendel/6mm ARC, Black

    JP Enterprises FMOS Full Mass Bolt Carrier Group 6.5 Grendel/6mm ARC, Black

    $408.99
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  16. JP Enterprises Low Mass Operating System Bolt Carrier .308 Win, Black

    JP Enterprises Low Mass Operating System Bolt Carrier .308 Win, Black

    $261.99
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  17. JP Enterprises Enhanced Gas Ring .223 Remington

    JP Enterprises Enhanced Gas Ring .223 Remington

    Rating:
    100%
    (1)
    Regular Price $12.99 Special Price $10.99
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  18. JP Enterprises Enhanced Extractor

    JP Enterprises Enhanced Extractor

    $63.99
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  19. JP Enterprises Enhanced Bolt Assembly Completion Group 6.5 Grendel/6mm ARC, Black

    JP Enterprises Enhanced Bolt Assembly Completion Group 6.5 Grendel/6mm ARC, Black

    $164.99
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  20. JP Enterprises Enhanced Bolt High Pressure Bolt Assembly Completion Group .308 Win, Black

    JP Enterprises Enhanced Bolt High Pressure Bolt Assembly Completion Group .308 Win, Black

    Regular Price $274.99 Special Price $246.99
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  21. JP Enterprises Enhanced Bolt Assembly Completion Group .308 Win, Black

    JP Enterprises Enhanced Bolt Assembly Completion Group .308 Win, Black

    Regular Price $214.99 Special Price $192.99
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  22. JP Enterprises Enhanced Bolt Assembly 6.5 Grendel/6mm ARC, Black

    JP Enterprises Enhanced Bolt Assembly 6.5 Grendel/6mm ARC, Black

    Regular Price $158.99 Special Price $142.99
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  23. JP Enterprises 5-Piece Alternate Spring Pack

    JP Enterprises 5-Piece Alternate Spring Pack

    $41.99
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  24. JP Enterprises LMOS Low Mass Bolt Carrier w/Key .223 Remington, Black

    JP Enterprises LMOS Low Mass Bolt Carrier w/Key .223 Remington, Black

    $237.99
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Items 169-192 of 5570

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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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