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AR-15 Lower Build Kits & Parts Kits

Build your rifle with confidence using premium AR-15 lower build kits and parts kits from Palmetto State Armory. Each kit includes the essential components needed to complete your lower receiver, offering quality, compatibility, and reliability you can trust. Whether upgrading or starting a new build, shop our wide selection of AR-15 lower parts kits today for top performance at great prices. Customers are responsible for ensuring that when assembling kits, they must adhere to all Local, State, and Federal laws.

AR-15 Kits

AR-15 Kits
Lowers

Lowers
Lower Build Kits

Lower Build Kits
Lower Parts Kits

Lower Parts Kits
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Items 1-24 of 370

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  1. PSA MOE Lower Build Kit & Vortex Strike Fire II Red Dot Sight

    PSA MOE Lower Build Kit & Vortex Strike Fire II Red Dot Sight

    $209.98
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  2. PSA Magpul MOE Lower Build Kit & 10 Magpul PMAG Gen 2 MOE 5.56x45 30rd Magazines

    PSA Magpul MOE Lower Build Kit & 10 Magpul PMAG Gen 2 MOE 5.56x45 30rd Magazines

    SAVE $43.00 When you add both!
    Regular Price $242.99 Special Price $199.99
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  3. PSA B5 Systems EPT Lower Build Kit with SOPMOD Enhanced Stock, ODG

    PSA B5 Systems EPT Lower Build Kit with SOPMOD Enhanced Stock, ODG

    Rating:
    100%
    (26)
    $159.99
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  4. Palmetto State Armory Magpul AR-15 Lower Build Kit in Black

    Palmetto State Armory Magpul MOE Lower Build Kit, Black

    Rating:
    96%
    (2833)
    $119.99
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  5. DPMS CAR-15 Lower Build Kit - Black

    DPMS CAR-15 Lower Build Kit - Black

    $99.99
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  6. PSA Guardsman-15 MOE HAR-15 Pistol Lower Build Kit, FDE

    PSA Guardsman-15 MOE HAR-15 Pistol Lower Build Kit, FDE

    Rating:
    60%
    (1)
    $139.99
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  7. PSA Guardsman-15 MOE HAR-15 Pistol Lower Build Kit, Black

    PSA Guardsman-15 MOE HAR-15 Pistol Lower Build Kit, Black

    Rating:
    95%
    (4)
    $139.99
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  8. PSA Guardsman-15 MOE PR Lower Build Kit, FDE

    PSA Guardsman-15 MOE PR Lower Build Kit, FDE

    Rating:
    100%
    (3)
    $149.99
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  9. PSA Guardsman-15 MOE PR Lower Build Kit, Black

    PSA Guardsman-15 MOE PR Lower Build Kit, Black

    Rating:
    90%
    (4)
    $149.99
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  10. DPMS CAR-15 Lower Build Kit - ODG

    DPMS CAR-15 Lower Build Kit - ODG

    $99.99
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  11. DPMS Lower Parts Kit, No FCG, Grip, Stock

    DPMS Lower Parts Kit, No FCG, Grip, Stock

    Rating:
    96%
    (15)
    Regular Price $34.99 Special Price $30.99
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  12. ALG Defense Inc Complete Mil-Spec Lower Parts Kit w/ACT Trigger and Grip

    ALG Defense Inc Complete Mil-Spec Lower Parts Kit w/ACT Trigger and Grip

    $115.99
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  13. Brownells Lower Parts Kit Fits Glock G17/Glock G19

    Brownells Lower Parts Kit Fits Glock G17/Glock G19

    Rating:
    80%
    (2)
    Regular Price $42.99 Special Price $38.29
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  14. ALG Defense Inc Complete Mil-Spec Lower Parts Kit w/ACT Trigger

    ALG Defense Inc Complete Mil-Spec Lower Parts Kit w/ACT Trigger

    $110.99
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  15. ALG Defense Inc Complete Mil-Spec Lower Parts Kit w/QMS Trigger and Grip

    ALG Defense Inc Complete Mil-Spec Lower Parts Kit w/QMS Trigger and Grip

    $93.99
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  16. ALG Defense Inc Complete Mil-Spec Lower Parts Kit w/QMS Trigger

    ALG Defense Inc Complete Mil-Spec Lower Parts Kit w/QMS Trigger

    $90.99
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  17. Geissele Standard Lower Parts Kit w/Grip, Black

    Geissele Standard Lower Parts Kit w/Grip, Black

    Rating:
    100%
    (2)
    Regular Price $74.99 Special Price $66.99
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  18. Geissele Standard Lower Parts Kit, Black

    Geissele Standard Lower Parts Kit, Black

    Rating:
    100%
    (1)
    Regular Price $69.99 Special Price $62.99
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  19. Next Level Armament - AR15 Lower Parts Kit - Mil-Spec - NLX662

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

    Rating:
    100%
    (2)
    Regular Price $71.99 Special Price $63.99
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  20. PSA Rifle JAKL Lower Build Kit MOE SL EPT F5 Stock, Black

    PSA Rifle JAKL Lower Build Kit MOE SL EPT F5 Stock, Black

    Rating:
    85%
    (8)
    $259.99
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  21. PSA Rifle JAKL Lower Build Kit MOE SL EPT F5 Stock, FDE

    PSA Rifle JAKL Lower Build Kit MOE SL EPT F5 Stock, FDE

    Rating:
    100%
    (7)
    $259.99
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  22. KAK Industry Lower Parts Kit

    KAK Industry Lower Parts Kit

    Rating:
    98%
    (24)
    Regular Price $11.99 Special Price $9.99
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  23. KAK Industry Basic Ambidextrous Build Kit

    KAK Industry Basic Ambidextrous Build Kit

    Rating:
    100%
    (2)
    Regular Price $36.99 Special Price $32.99
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  24. KAK Industry Lower Parts Kit Fits AR-15 Lower Receivers

    KAK Industry Lower Parts Kit Fits AR-15 Lower Receivers

    Rating:
    67%
    (9)
    Regular Price $51.99 Special Price $45.99
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  1. Lower Build Kits 179
  2. Lower Parts Kits 191
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