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AR-15 Upgrade Kits

When it's time to take your AR-15 to the next level, shop Palmetto State Armory for some of the best AR-15 upgrade kits. Here you can find kits from brands like Lead Star Arms, KNS Precision, PSA Custom. Upgrade your investment today!

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  1. Aero Precision EPC Lower Parts Kit w/o FCG/Grip, Black

    Aero Precision EPC Lower Parts Kit w/o FCG/Grip, Black

    Out of Stock
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  2. Aero Precision M4E1 MOE Lower Parts Kit, Flat Dark Earth

    Aero Precision M4E1 MOE Lower Parts Kit, Flat Dark Earth

    Out of Stock
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  3. Aero Precision M4E1 MOE Lower Parts Kit, Black

    Aero Precision M4E1 MOE Lower Parts Kit, Black

    Out of Stock
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  4. Geissele Standard Lower Parts Kit w/Grip, Black

    Geissele Standard Lower Parts Kit w/Grip, Black

    Rating:
    100%
    (2)
    Out of Stock
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  5. Maxim Defense SCW Gen 7 Pistol System Standard Kit, Black

    Maxim Defense SCW Gen 7 Pistol System Standard Kit, Black

    Out of Stock
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  6. KAK Industry Basic Ambidextrous Build Kit

    KAK Industry Basic Ambidextrous Build Kit

    Rating:
    100%
    (2)
    Out of Stock
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  7. KAK Industry LITE AR-15 Lower Parts Kit w/ No Fire Control Group, Black - 811163034968

    KAK Industry LITE AR-15 Lower Parts Kit w/ No Fire Control Group, Black

    Rating:
    93%
    (8)
    Out of Stock
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  8. KAK Industry Lower Parts Kit Fits AR-15 Lower Receivers

    KAK Industry Lower Parts Kit Fits AR-15 Lower Receivers

    Rating:
    67%
    (9)
    Out of Stock
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  9. KAK Industry Lower Parts Kit Fits AR-15 Lower Receivers

    KAK Industry Lower Parts Kit Fits AR-15 Lower Receivers

    Rating:
    24%
    (10)
    Out of Stock
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  10. Aero Precision MOE Lower Parts Kit without FCG, Flat Dark Earth

    Aero Precision MOE Lower Parts Kit without FCG, Flat Dark Earth

    Rating:
    80%
    (1)
    Out of Stock
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  11. Aero Precision MOE Lower Parts Kit without FCG, Black

    Aero Precision MOE Lower Parts Kit without FCG, Black

    Out of Stock
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  12. Aero Precision MOE SL Lower Parts Kit without FCG, Black

    Aero Precision MOE SL Lower Parts Kit without FCG, Black

    Out of Stock
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  13. Aero Precision MOE Lower Parts Kit without FCG, Flat Dark Earth

    Aero Precision MOE Lower Parts Kit without FCG, Flat Dark Earth

    Out of Stock
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  14. Aero Precision MOE Lower Parts Kit without FCG, Black

    Aero Precision MOE Lower Parts Kit without FCG, Black

    Out of Stock
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  15. Aero Precision MOE SL Lower Parts Kit, Flat Dark Earth

    Aero Precision MOE SL Lower Parts Kit, Flat Dark Earth

    Rating:
    60%
    (2)
    Out of Stock
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  16. Aero Precision MOE SL Lower Parts Kit, Black

    Aero Precision MOE SL Lower Parts Kit, Black

    Out of Stock
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  17. Aero Precision MOE Lower Parts Kit, Flat Dark Earth

    Aero Precision MOE Lower Parts Kit, Flat Dark Earth

    Rating:
    100%
    (1)
    Out of Stock
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  18. Aero Precision MOE Lower Parts Kit, Black

    Aero Precision MOE Lower Parts Kit, Black

    Out of Stock
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  19. Aero Precision Lower Parts Kit

    Aero Precision Lower Parts Kit

    Rating:
    100%
    (3)
    Out of Stock
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  20. Aero Precision Enhanced Lower Parts Kit

    Aero Precision Enhanced Lower Parts Kit

    Out of Stock
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  21. Aero Precision Standard Lower Parts Kit

    Aero Precision Standard Lower Parts Kit

    Out of Stock
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  22. Black Rain Ordnance Lower Parts Kit, Black

    Black Rain Ordnance Lower Parts Kit, Black

    Rating:
    100%
    (1)
    Out of Stock
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  23. Alex Pro Firearms Complete Lower Parts Kit, Black

    Alex Pro Firearms Complete Lower Parts Kit, Black

    Out of Stock
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  24. TacFire Lower Parts Kit, Black

    TacFire Lower Parts Kit, Black

    Rating:
    100%
    (1)
    Out of Stock
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