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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 25-48 of 370

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  1. Tacfire Complete Pistol Build Kit for Semi-Auto Pistols, Black - SS-PK556-LPK

    Tacfire Complete Pistol Build Kit for Semi-Auto Pistols, Black - SS-PK556-LPK

    Regular Price $451.99 Special Price $377.99
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  2. Tacfire Lower Parts Kit for Glock 17, Black/Silver - PK-GLK17

    Tacfire Lower Parts Kit for Glock 17, Black/Silver - PK-GLK17

    Regular Price $315.99 Special Price $283.99
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  3. Tacfire's Black/Silver Lower Parts Kit for Glock 19 -Ideal for Glock Enthusiasts - PK-GLK19

    Tacfire's Black/Silver Lower Parts Kit for Glock 19 -Ideal for Glock Enthusiasts - PK-GLK19

    Regular Price $373.99 Special Price $312.99
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  4. Geissele Automatics Ultra Duty Lower Parts Kit - Desert Dirt Reliability - 05-435S

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

    Regular Price $176.99 Special Price $158.99
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  5. Harrington & Richardson M16A2 Lower Parts Kit, Gray

    Harrington & Richardson M16A2 Lower Parts Kit, Gray

    Rating:
    87%
    (6)
    $74.99
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  6. Harrington & Richardson M16A1 Lower Parts Kit

    Harrington & Richardson M16A1 Lower Parts Kit, Gray

    Rating:
    93%
    (19)
    $74.99
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  7. 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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  8. PSA JAKL MOE EPT Rifle Lower Build Kit, Black

    PSA JAKL MOE EPT Rifle Lower Build Kit, Black

    $299.99
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  9. PSA Sabre-15 Lower Build Kit with A1 Stock and Sabre Grip, Black

    PSA Sabre-15 Lower Build Kit with A1 Stock and Sabre Grip, Black

    Rating:
    86%
    (7)
    $189.99
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  10. PSA Sabre-15 Lower Build Kit with B5 Sop-Mod Stock and B5 Grip, FDE

    PSA Sabre-15 Lower Build Kit with B5 Sop-Mod Stock and B5 Grip, FDE

    Rating:
    80%
    (3)
    $269.99
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  11. 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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  12. 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
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  13. 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
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  14. 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
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  15. 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
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  16. 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
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  17. PSA B5 Systems EPT Lower Build Kit with Bravo Stock, FDE

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

    Rating:
    100%
    (2)
    $129.99
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  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
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  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
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  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:
    97%
    (92)
    $149.99
    Add to Wish List Add to Compare
  22. PSA PA10 MOE STR EPT Lower Build Kit, Black

    PSA PA10 MOE STR EPT Lower Build Kit, Black

    Rating:
    80%
    (3)
    $159.99
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  23. Palmetto State Armory A2 EPT Rifle Lower Build Kit, Black

    Palmetto State Armory A2 EPT Rifle Lower Build Kit, Black

    Rating:
    97%
    (6)
    $129.99
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  24. 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
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