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AR-15 Individual Upper Parts

Whether you are looking to upgrade or repair your AR-15, Palmetto State Armory has the individual AR-15 upper parts to get the job done. Choose from forward assist springs, dust covers, gas tubes, and a lot more.
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  1. Brownells M16 Bolt Carrier Group 5.56x45mm/.300 AAC Blackout/.223 Remington, Chrome

    Brownells M16 Bolt Carrier Group 5.56x45mm/.300 AAC Blackout/.223 Remington, Chrome

    Rating:
    100%
    (2)
    Regular Price $154.99 Special Price $138.99
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  2. Brownells M16 Bolt Carrier Group .223 Remington/5.56x45mm/.300 AAC Blackout, Black

    Brownells M16 Bolt Carrier Group .223 Remington/5.56x45mm/.300 AAC Blackout, Black

    Regular Price $154.99 Special Price $138.99
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  3. Brownells 3-Pack Extractor Spring

    Brownells 3-Pack Extractor Spring

    Regular Price $8.99 Special Price $7.29
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  4. Brownells 3-Pack Ejector Spring

    Brownells 3-Pack Ejector Spring

    Regular Price $10.99 Special Price $9.79
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  5. Brownells 3-Pack Bolt/Gas Ring, Silver

    Brownells 3-Pack Bolt/Gas Ring, Silver

    Regular Price $7.99 Special Price $6.49
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  6. 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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  7. Brownells 3-Pack Extractor Spring

    Brownells 3-Pack Extractor Spring

    Regular Price $10.99 Special Price $9.39
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  8. 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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  9. 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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  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 Firing/Retaining Pin, Black

    JP Enterprises Firing/Retaining Pin, Black

    Rating:
    70%
    (2)
    $4.99
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  12. 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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  13. 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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  14. 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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  15. JP Enterprises Enhanced Extractor

    JP Enterprises Enhanced Extractor

    $63.99
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  16. 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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  17. 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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  18. 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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  19. JP Enterprises FMOS Full Mass Bolt Carrier Group .223 Remington, Black

    JP Enterprises FMOS Full Mass Bolt Carrier Group .223 Remington, Black

    Regular Price $449.99 Special Price $404.99
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  20. JP Enterprises Enhanced Bolt Assembly .223 Remington/5.56x45mm, Black

    JP Enterprises Enhanced Bolt Assembly .223 Remington/5.56x45mm, Black

    $128.99
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  21. JP Enterprises A2 Style Gas Block 0.75", Black

    JP Enterprises A2 Style Gas Block 0.75", Black

    $154.99
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  22. JP Enterprises LMOS Low Mass Bolt Carrier .223 Remington, Black

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

    $238.99
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  23. JP Enterprises FMOS Full Mass Bolt Carrier .223 Remington, Black

    JP Enterprises FMOS Full Mass Bolt Carrier .223 Remington, Black

    $238.99
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  24. KAK Industry K-Spec Enhanced Bolt Carrier Group .224 Valkyrie/6.8 SPC, Black

    KAK Industry K-Spec Enhanced Bolt Carrier Group .224 Valkyrie/6.8 SPC, Black

    $157.99
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  1. Upper Parts Kits 28
  2. Barrel Nuts 17
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