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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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Items 49-72 of 159

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  1. ar-15 lower receiver parts kit

    CMMG AR-15 Lower Parts Kit - 55CA6C5

    Rating:
    93%
    (66)
    Regular Price $69.99 Special Price $62.39
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  2. AR-15 Magpul Lower Parts Kit

    PSA AR-15 EPT MOE Lower Parts Kit

    Rating:
    98%
    (92)
    $69.99
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  3. AR-15 Classic Lower Parts Kit

    PSA AR-15 EPT Classic Lower Parts Kit - 7778133

    Rating:
    94%
    (44)
    $59.99
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  4. magpul lower parts kit

    PSA AR-15 EPT MOE Lower Parts Kit with Ambi Safety

    Rating:
    94%
    (59)
    $79.99
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  5. ar-15 lower receiver parts kit

    PSA MOE LPK w/o Fire Control Group - Olive Drab Green

    Rating:
    99%
    (21)
    $39.99
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  6. ar-15 lower receiver parts kit

    Palmetto State Armory MOE LPK - OD Green

    Rating:
    99%
    (24)
    $59.99
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  7. ar-15 lower parts kit

    Palmetto State Armory MOE LPK - Flat Dark Earth

    Rating:
    97%
    (46)
    $59.99
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  8. ar-15 lower parts kit

    PSA MOE Lower Parts Kit, Black

    Rating:
    95%
    (94)
    $59.99
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  9. ar-15 lower parts kit

    Palmetto State Armory AR-15 Classic LPK w/o Fire Control Group - 1785

    Rating:
    90%
    (68)
    $29.99
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  10. AR-15 Lower Parts Repair Kit

    PSA AR15 Field Armorer's Kit - 7220

    Rating:
    100%
    (7)
    $29.99
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  11. magpul lower parts kit

    PSA Classic Lower Parts Kit, Black - 6983

    Rating:
    94%
    (114)
    $49.99
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  12. Timber Creek Lower Parts Kit, Black - AR LPK BL

    Timber Creek Lower Parts Kit, Black - AR LPK BL

    Rating:
    80%
    (12)
    Out of Stock
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  13. PSA MFT EPT Lower Parts Kit, Gray

    PSA MFT EPT Lower Parts Kit, Gray

    Rating:
    60%
    (2)
    Out of Stock
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  14. PSA MFT EPT Lower Parts Kit, Black

    PSA MFT EPT Lower Parts Kit, Black

    Rating:
    100%
    (1)
    Out of Stock
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  15. PSA Classic Lower Parts Kit, Gray

    PSA Classic Lower Parts Kit, Gray

    Rating:
    100%
    (19)
    Out of Stock
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  16. WMD Guns NiB-X Lower Parts Kit Mod 3 - NIBXLPKM3

    WMD Guns NiB-X Lower Parts Kit Mod 3 - NIBXLPKM3

    Out of Stock
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  17. PSA MOE+ EPT LPK - Flat Dark Earth - 516444912

    PSA MOE+ EPT LPK - Flat Dark Earth - 516444912

    Rating:
    96%
    (11)
    Out of Stock
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  18. PSA MOE LPK w/ Geissele Super Tricon Trigger Black - 516445092

    PSA MOE LPK w/ Geissele Super Tricon Trigger Black - 516445092

    Out of Stock
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  19. Palmetto State Armory MOE ACT LPK With Ambi Safety Selector - 516445003

    Palmetto State Armory MOE ACT LPK With Ambi Safety Selector - 516445003

    Rating:
    60%
    (1)
    Out of Stock
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  20. magpul lower parts kit

    PSA AR-15 EPT MOE+ Lower Parts Kit

    Rating:
    94%
    (31)
    Out of Stock
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  21. ar-15 lower parts kit magpul

    PSA CMC 3.5Lb Single Stage Flat Trigger MOE Parts Kit-Black- -CMC FLT MOE LPK - 7791122

    Out of Stock
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  22. AR-15 lower parts kits

    PSA CMC 3.5Lb. Single Stage Curved Trigger MOE Parts Kit-Black- CMC MOE LPK - 7791120

    Out of Stock
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  23. Classic AR-15 Lower Parts Kit with Ambi Safety

    PSA EPT Classic Lower Parts Kit with Ambi Safety - 7777792

    Rating:
    94%
    (53)
    Out of Stock
    Add to Wish List Add to Compare
  24. AR-15 lower receiver parts kit

    PSA MOE SL Lower Parts Kit Black - 505348

    Out of Stock
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Items 49-72 of 159

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