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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

    $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. Premium Classic AR-15 Lower Build Kit in black

    Palmetto State Armory Premium Classic Lower Build Kit

    Rating:
    96%
    (489)
    Regular Price $99.99 Special Price $79.99
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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%
    (2795)
    Regular Price $119.99 Special Price $99.99
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  5. Classic AR-15 lower build kit in olive drab green

    PSA Classic Lower Build Kit, OD Green

    Rating:
    96%
    (100)
    Regular Price $99.99 Special Price $79.99
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  6. palmetto state armory magpul moe lower build kit flat dark earth

    PSA Magpul MOE Lower Build Kit - Flat Dark Earth

    Rating:
    98%
    (264)
    Regular Price $119.99 Special Price $99.99
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  7. ar-15 lower parts kit

    Palmetto State Armory AR-15 Classic LPK w/o Fire Control Group - 1785

    Rating:
    89%
    (61)
    Regular Price $29.99 Special Price $24.99
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  8. 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%
    (24)
    $159.99
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  9. AR-15 STR EPT lower build kit

    PSA AR15 STR EPT Lower Build Kit - Black

    Rating:
    85%
    (23)
    $149.99
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  10. STR AR-15 lower build kit black

    Palmetto State Armory Magpul STR Lower Build Kit - Black

    Rating:
    99%
    (46)
    $149.99
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  11. Lantac M-SPEC LPK. AR15 Lower Parts Kit

    Lantac M-SPEC LPK. AR15 Lower Parts Kit

    Regular Price $49.99 Special Price $44.99
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  12. DPMS Lower Parts Kit, No FCG, Grip, Stock

    DPMS Lower Parts Kit, No FCG, Grip, Stock

    Rating:
    100%
    (11)
    Regular Price $28.99 Special Price $25.99
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  13. Brownells Lower Parts Kit Fits Glock G17/Glock G19

    Brownells Lower Parts Kit Fits Glock G17/Glock G19

    Rating:
    60%
    (1)
    Regular Price $42.99 Special Price $38.29
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  14. Geissele Standard Lower Parts Kit, Black

    Geissele Standard Lower Parts Kit, Black

    Rating:
    100%
    (1)
    Regular Price $67.99 Special Price $60.99
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  15. Next Level Armament - AR15 Lower Parts Kit - Mil-Spec - NLX662

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

    Rating:
    100%
    (1)
    Regular Price $71.99 Special Price $63.99
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  16. 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:
    87%
    (6)
    $259.99
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  17. 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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  18. KAK Industry Lower Parts Kit Fits AR-15 Lower Receivers

    KAK Industry Lower Parts Kit Fits AR-15 Lower Receivers

    Rating:
    63%
    (8)
    Regular Price $51.99 Special Price $45.99
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  19. Xtech Tactical Lower Parts Kit, Black

    Xtech Tactical Lower Parts Kit, Black

    Rating:
    60%
    (1)
    Regular Price $76.99 Special Price $68.99
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  20. PSA JAKL-10 EPT MIAD B&T Lower Build kit, Black

    PSA JAKL-10 EPT MIAD B&T Lower Build kit, Black

    Rating:
    73%
    (3)
    $299.99
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  21. PSA JAKL-10 EPT MIAD B&T Lower Build kit, FDE

    PSA JAKL-10 EPT MIAD B&T Lower Build kit, FDE

    $299.99
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  22. PSA JAKL-10 EPT MIAD F5 Lower Build kit, Black

    PSA JAKL-10 EPT MIAD F5 Lower Build kit, Black

    Rating:
    60%
    (1)
    $299.99
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  23. Midwest Industries Drop-In Trigger w/Lower Parts Kit, Black

    Midwest Industries Drop-In Trigger w/Lower Parts Kit, Black

    Regular Price $289.99 Special Price $260.99
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  24. Harrington & Richardson M16A1 Lower Build Kit, Gray

    Harrington & Richardson M16A1 Lower Build Kit, Gray

    Rating:
    76%
    (5)
    $139.99
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  2. Lower Parts Kits 191
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