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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 149

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  1. PSA AR15 MOE 2-Stage Lower Build Kit, Black

    PSA AR15 MOE 2-Stage Lower Build Kit, Black

    Rating:
    95%
    (8)
    $149.99
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  2. PSA Classic Lower Parts Kit, ODG

    PSA Classic Lower Parts Kit, ODG

    Rating:
    84%
    (10)
    $49.99
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  3. PSA Classic Lower Parts Kit, FDE

    PSA Classic Lower Parts Kit, FDE

    Rating:
    98%
    (17)
    $49.99
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  4. Spike's Tactical Lower Receiver Parts Kit - SLPK100

    Spike's Tactical Lower Receiver Parts Kit - SLPK100

    $40.50
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  5. Luth-AR Lower Parts Builder Kit - LRPK-BLDR

    Luth-AR Lower Parts Builder Kit - LRPK-BLDR

    Regular Price $39.99 Special Price $35.99
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  6. Luth-AR AR-15 Lower Receiver Parts Kit w/ Trigger and Grip - LRPK-1

    Luth-AR AR-15 Lower Receiver Parts Kit w/ Trigger and Grip - LRPK-1

    Rating:
    90%
    (2)
    Regular Price $68.99 Special Price $61.99
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  7. Doublestar Corp. OOPS! Replacement Gun Parts Kit - AR791

    Doublestar Corp. OOPS! Replacement Gun Parts Kit - AR791

    Rating:
    100%
    (7)
    Regular Price $17.99 Special Price $15.99
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  8. Doublestar Corp. AR-15 Lower Parts Kit 223 Rem/5.56, Black - AR270

    Doublestar Corp. AR-15 Lower Parts Kit 223 Rem/5.56, Black - AR270

    Rating:
    100%
    (1)
    $67.99
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  9. Battle Arms Development Enhanced Lower Parts Kit - 100-025-392

    Battle Arms Development Enhanced Lower Parts Kit - 100-025-392

    Rating:
    100%
    (2)
    Regular Price $38.99 Special Price $34.99
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  10. PSA Classic Pistol Lower Build Kit

    PSA Classic Pistol Lower Build Kit

    $99.99
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  11. CMC Lower Assembly Kit With Flat Trigger, Black

    CMC Lower Assembly Kit With Flat Trigger, Black - 81503

    Rating:
    100%
    (2)
    $249.00
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  12. BCMGunfighter Enhanced AR-15 Lower Parts Kit, Black - ELPKBLK

    BCMGunfighter Enhanced AR-15 Lower Parts Kit, Black - ELPKBLK

    Rating:
    96%
    (9)
    Regular Price $133.99 Special Price $119.99
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  13. BCMGunfighter AR-15 Lower Parts Kit, FDE

    BCMGunfighter Enhanced AR-15 Lower Parts Kit, FDE - ELPKFDE

    Rating:
    100%
    (1)
    Regular Price $133.99 Special Price $119.99
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  14. PSA Classic SBA4 Lower Build Kit, Flat Dark Earth

    PSA Classic SBA4 Lower Build Kit, Flat Dark Earth

    $149.99
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  15. CMC Triggers Complete Lower Receiver Parts Kit - 81500

    CMC Triggers Complete Lower Receiver Parts Kit - 81500

    Rating:
    94%
    (17)
    $41.99
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  16. Tacfire Lower Parts Kit w/ A2 Grip, Black - LPK01-USA

    Tacfire Lower Parts Kit w/ A2 Grip, Black - LPK01-USA

    Regular Price $49.99 Special Price $44.19
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  17. Spikes Tactical Enhanced Lower Parts Kit, Black - SLPK301

    Spikes Tactical Enhanced Lower Parts Kit, Black - SLPK301

    Regular Price $180.99 Special Price $162.99
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  18. PSA AR15 MOE 3.5lb Single Stage CMC Lower Build Kit, Black

    PSA AR15 MOE 3.5lb Single Stage CMC Lower Build Kit, Black

    Rating:
    96%
    (153)
    $179.99
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  19. PSA MOE LPK w/o Fire Control Group - Black

    PSA MOE LPK w/o Fire Control Group - Black

    Rating:
    94%
    (28)
    $39.99
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  20. Premium Classic AR-15 Lower Build Kit in black

    Palmetto State Armory Premium Classic Lower Build Kit

    Rating:
    95%
    (513)
    Regular Price $99.99 Special Price $79.99
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  21. ar-15 lower parts kits

    Armaspec AR-15 Lower Parts Kit, Black - ARM152-BLK

    Rating:
    80%
    (11)
    Regular Price $93.99 Special Price $83.99
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  22. MOE SBA3 Pistol Brace AR-15 Lower Build Kit

    PSA AR-15 MOE SBA3 Lower Build Kit - Flat Dark Earth

    Rating:
    96%
    (208)
    $139.99
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  23. ar-15 lower receiver parts kit

    CMMG AR-15 Lower Parts Kit - 55CA6C5

    Rating:
    93%
    (65)
    Regular Price $69.99 Special Price $62.39
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  24. AR-15 Lower Build Kit in Flat Dark Earth

    PSA Classic Lower Build Kit, Flat Dark Earth - 5165449781

    Rating:
    94%
    (96)
    $99.99
    Add to Wish List Add to Compare
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