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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. Next Level Armament - AR15 Lower Parts Kit - Mil-Spec - NLX662

    Next Level Armament - AR15 Lower Parts Kit - Mil-Spec - NLX662

    $63.00
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  2. KAK Industry Lower Parts Kit

    KAK Industry Lower Parts Kit

    Regular Price $6.99 Special Price $5.89
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  3. KAK Industry Basic Build Kit

    KAK Industry Basic Build Kit

    Regular Price $24.99 Special Price $21.69
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  4. KAK Industry Basic Ambidextrous Build Kit

    KAK Industry Basic Ambidextrous Build Kit

    Rating:
    100%
    (1)
    Regular Price $32.99 Special Price $29.59
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  5. KAK Industry Lower Parts Kit Fits AR-15 Lower Receivers

    KAK Industry Lower Parts Kit Fits AR-15 Lower Receivers

    Regular Price $29.99 Special Price $26.89
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  6. KAK Industry Lower Parts Kit Fits AR-15 Lower Receivers

    KAK Industry Lower Parts Kit Fits AR-15 Lower Receivers

    Rating:
    40%
    (4)
    $38.99
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  7. KAK Industry Lower Parts Kit Fits AR-15 Lower Receivers

    KAK Industry Lower Parts Kit Fits AR-15 Lower Receivers

    Rating:
    20%
    (9)
    $44.99
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  8. Geissele Standard Lower Parts Kit w/Grip, Black

    Geissele Standard Lower Parts Kit w/Grip, Black

    Regular Price $71.99 Special Price $63.99
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  9. Xtech Tactical Lower Parts Kit, Black

    Xtech Tactical Lower Parts Kit, Black

    $66.99
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  10. Aero Precision MOE SL Lower Parts Kit, Flat Dark Earth

    Aero Precision MOE SL Lower Parts Kit, Flat Dark Earth

    Regular Price $115.99 Special Price $103.99
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  11. Aero Precision MOE Lower Parts Kit, Flat Dark Earth

    Aero Precision MOE Lower Parts Kit, Flat Dark Earth

    Regular Price $123.99 Special Price $110.99
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  12. Aero Precision Standard Lower Parts Kit

    Aero Precision Standard Lower Parts Kit

    Regular Price $104.99 Special Price $93.99
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  13. Black Rain Ordnance Lower Parts Kit, Black

    Black Rain Ordnance Lower Parts Kit, Black

    Rating:
    100%
    (1)
    Regular Price $65.99 Special Price $58.99
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  14. TacFire Lower Parts Kit, Black

    TacFire Lower Parts Kit, Black

    Rating:
    100%
    (1)
    Regular Price $54.99 Special Price $46.99
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  15. PSA MFT Lower Parts Kit, ODG

    PSA MFT Lower Parts Kit, ODG

    Regular Price $69.99 Special Price $45.99
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  16. PSA MFT Lower Pats Kit, Black

    PSA MFT Lower Pats Kit, Black

    Rating:
    100%
    (3)
    Regular Price $69.99 Special Price $49.99
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  17. PSA MFT EPT Lower Parts Kit, ODG

    PSA MFT EPT Lower Parts Kit, ODG

    Rating:
    100%
    (1)
    Regular Price $99.99 Special Price $59.99
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  18. Timber Creek Outdoors AR Lower Parts Kit for AR-15, Robin's Egg Blue - AR LPK RE

    Timber Creek Outdoors AR Lower Parts Kit for AR-15, Robin's Egg Blue - AR LPK RE

    Rating:
    90%
    (2)
    $79.99
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  19. Geissele Automatics Ultra Duty Lower Parts Kit - Desert Dirt Reliability - 05-435S

    Geissele Automatics Ultra Duty Lower Parts Kit - Desert Dirt Reliability - 05-435S

    $150.00
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  20. Tacfire Lower Parts Kit for AR-15, Black - LPK02USA-B

    Tacfire Lower Parts Kit for AR-15, Black - LPK02USA-B

    Regular Price $65.99 Special Price $59.19
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  21. Harrington & Richardson M16A2 Lower Parts Kit, Gray

    Harrington & Richardson M16A2 Lower Parts Kit, Gray

    Rating:
    84%
    (5)
    $74.99
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  22. Geissele Ultra Duty Lower Parts Kit, Black - 05-435B

    Geissele Ultra Duty Lower Parts Kit, Black - 05-435B

    Rating:
    100%
    (1)
    Regular Price $162.99 Special Price $145.99
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  23. Timber Creek Lower Parts Kit, Blue

    Timber Creek Lower Parts Kit, Blue - AR LPK B

    Regular Price $108.99 Special Price $79.99
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  24. Timber Creek Lower Parts Kit, Black

    Timber Creek Lower Parts Kit, Black - AR LPK BL

    Rating:
    67%
    (3)
    Regular Price $99.99 Special Price $39.99
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