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AR-15 Lower Parts Kits

Complete your lower receiver with an AR-15 parts kit from Palmetto State Armory. There is a lot of pride in building your AR, and we want to help you assemble it right with the best parts at the best prices. We carry parts kits from Palmetto State Armory, CMMG, Armaspec, and more. Don't forget to browse our selection of AR-15 uppers to complete your build.

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  1. 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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  2. 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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  3. 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

    Regular Price $107.99 Special Price $97.99
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  4. ALG Defense Inc Complete Mil-Spec Lower Parts Kit w/QMS Trigger

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

    Regular Price $104.99 Special Price $94.99
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  5. 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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  6. 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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  7. 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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  8. 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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  9. KAK Industry Basic Build Kit

    KAK Industry Basic Build Kit

    Rating:
    76%
    (16)
    Regular Price $28.99 Special Price $25.99
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  10. 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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  11. 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 $52.99 Special Price $47.99
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  12. KAK Industry Lower Parts Kit Fits AR-15 Lower Receivers

    KAK Industry Lower Parts Kit Fits AR-15 Lower Receivers

    Rating:
    24%
    (10)
    Regular Price $57.99 Special Price $51.99
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  13. 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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  14. 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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  15. Black Rain Ordnance Lower Parts Kit, Black

    Black Rain Ordnance Lower Parts Kit, Black

    Rating:
    100%
    (1)
    Regular Price $64.99 Special Price $58.99
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  16. TacFire Lower Parts Kit, Black

    TacFire Lower Parts Kit, Black

    Rating:
    100%
    (1)
    Regular Price $47.99 Special Price $42.49
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  17. Sons of Liberty Gun Works Blaster Guts Semi-Auto Lower Parts Kit, Black - Essential Kit for Semi-Auto Performance - BG

    Sons of Liberty Gun Works Blaster Guts Semi-Auto Lower Parts Kit, Black - Essential Kit for Semi-Auto Performance - BG

    Regular Price $134.99 Special Price $120.99
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  18. Timber Creek Outdoors AR Lower Parts Kit for AR-15, Robin's Egg Blue - AR LPK RE

    Timber Creek Outdoors AR Lower Parts Kit for AR-15, Robin's Egg Blue - AR LPK RE

    Rating:
    90%
    (2)
    Regular Price $89.99 Special Price $80.99
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  19. 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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  20. Harrington & Richardson M16A2 Lower Parts Kit, Gray

    Harrington & Richardson M16A2 Lower Parts Kit, Gray

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

    Harrington & Richardson M16A1 Lower Parts Kit, Gray

    Rating:
    90%
    (23)
    $74.99
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  22. 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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  23. Timber Creek Lower Parts Kit, Blue

    Timber Creek Lower Parts Kit, Blue - AR LPK B

    Regular Price $108.99 Special Price $79.99
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  24. Timber Creek Lower Parts Kit, Tungsten

    Timber Creek Lower Parts Kit, Tungsten - AR LPK T

    Regular Price $89.99 Special Price $80.99
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