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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 149

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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

    $189.98
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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 $23.00 When you add both!
    Regular Price $222.99 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)
    Regular Price $119.99 Special Price $99.99
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  5. PSA AR15 MOE Lower Build Kit W/PSA Custom Single Stage FCG, Black

    PSA AR15 MOE Lower Build Kit W/PSA Custom Single Stage FCG, Black

    Rating:
    89%
    (9)
    $179.99
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  6. Geissele Ultra Duty Lower Parts Kit, Black - 05-435B

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

    Rating:
    90%
    (4)
    Regular Price $170.99 Special Price $153.99
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  7. PSA B5 2 Stage Nickel Boron Trigger Lower Build Kit with SOPMOD Stock, ODG

    PSA B5 2 Stage Nickel Boron Trigger Lower Build Kit with SOPMOD Stock, ODG

    Rating:
    100%
    (3)
    $179.99
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  8. PSA B5 Systems Lower Build Kit with SOPMOD Enhanced Stock, ODG

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

    Rating:
    98%
    (8)
    $149.99
    Add to Wish List Add to Compare
  9. PSA B5 2 Stage Nickel Boron Trigger Lower Build Kit with Bravo Stock, ODG

    PSA B5 2 Stage Nickel Boron Trigger Lower Build Kit with Bravo Stock, ODG

    Rating:
    80%
    (3)
    $159.99
    Add to Wish List Add to Compare
  10. PSA B5 Systems EPT Lower Build Kit with Bravo Stock, ODG

    PSA B5 Systems EPT Lower Build Kit with Bravo Stock, ODG

    Rating:
    98%
    (9)
    $129.99
    Add to Wish List Add to Compare
  11. PSA B5 Systems Lower Build Kit with Bravo Stock, ODG

    PSA B5 Systems Lower Build Kit with Bravo Stock, ODG

    Rating:
    90%
    (10)
    $129.99
    Add to Wish List Add to Compare
  12. PSA B5 Systems EPT Lower Build Kit with SOPMOD Enhanced Stock, FDE

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

    Rating:
    99%
    (28)
    $149.99
    Add to Wish List Add to Compare
  13. PSA B5 Systems Lower Build Kit with SOPMOD Enhanced Stock, FDE

    PSA B5 Systems Lower Build Kit with SOPMOD Enhanced Stock, FDE

    Rating:
    100%
    (5)
    $159.99
    Add to Wish List Add to Compare
  14. PSA B5 2 Stage Nickel Boron Trigger Lower Build Kit with SOPMOD Stock, FDE

    PSA B5 2 Stage Nickel Boron Trigger Lower Build Kit with SOPMOD Stock, FDE

    Rating:
    97%
    (7)
    $179.99
    Add to Wish List Add to Compare
  15. PSA B5 2 Stage Nickel Boron Trigger Lower Build Kit with Bravo Stock, FDE

    PSA B5 2 Stage Nickel Boron Trigger Lower Build Kit with Bravo Stock, FDE

    Rating:
    90%
    (6)
    $169.99
    Add to Wish List Add to Compare
  16. PSA B5 Systems EPT Lower Build Kit with Bravo Stock, FDE

    PSA B5 Systems EPT Lower Build Kit with Bravo Stock, FDE

    Rating:
    100%
    (3)
    $129.99
    Add to Wish List Add to Compare
  17. PSA B5 Systems Lower Build Kit with Bravo Stock, FDE

    PSA B5 Systems Lower Build Kit with Bravo Stock, FDE

    Rating:
    93%
    (15)
    $119.99
    Add to Wish List Add to Compare
  18. PSA B5 2 Stage Nickel Boron Trigger Lower Build Kit with SOPMOD Stock, Black

    PSA B5 2 Stage Nickel Boron Trigger Lower Build Kit with SOPMOD Stock, Black

    Rating:
    94%
    (7)
    $179.99
    Add to Wish List Add to Compare
  19. PSA B5 2 Stage Nickel Boron Trigger Lower Build Kit with Bravo Stock, Black

    PSA B5 2 Stage Nickel Boron Trigger Lower Build Kit with Bravo Stock, Black

    Rating:
    100%
    (2)
    $159.99
    Add to Wish List Add to Compare
  20. PSA B5 Systems Lower Build Kit with SOPMOD Enhanced Stock, Black

    PSA B5 Systems Lower Build Kit with SOPMOD Enhanced Stock, Black

    Rating:
    100%
    (7)
    $149.99
    Add to Wish List Add to Compare
  21. PSA B5 Systems EPT Lower Build Kit with SOPMOD Enhanced Stock, Black

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

    Rating:
    96%
    (99)
    $149.99
    Add to Wish List Add to Compare
  22. PSA B5 Systems Lower Build Kit with Bravo Stock, Black

    PSA B5 Systems Lower Build Kit with Bravo Stock, Black

    Rating:
    97%
    (44)
    $119.99
    Add to Wish List Add to Compare
  23. PSA B5 Systems EPT Lower Build Kit with Bravo Stock, Black

    PSA B5 Systems EPT Lower Build Kit with Bravo Stock, Black

    Rating:
    100%
    (9)
    $149.99
    Add to Wish List Add to Compare
  24. DPMS AR-15 MOE PPT Lower Build Kit

    DPMS AR-15 MOE PPT Lower Build Kit

    $109.99
    Add to Wish List Add to Compare
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