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AR-15 Lower Build Kits

When you purchase an AR-15 build kit from Palmetto State Armory, you are buying a build kit that is American Made and carries a full lifetime warranty. Our build kits come ready to complete your AR-15 lower so you can be closer to range day. Check out our reviews from our valued customers and see for yourself. Please browse our high-quality line AR-15 complete guns and AR parts.

Customers are responsible for ensuring that when assembling kits, they must adhere to all Local, State, and Federal laws.

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  1. PSA Classic AR-15 Lower Build Kit with Shockwave Pistol Brace

    PSA Classic Shockwave Lower Build Kit, ODG - 5165448133

    Rating:
    93%
    (12)
    Out of Stock
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  2. Black Shockwave AR-15 Lower Build Kit

    PSA Classic Shockwave Lower Build Kit, Black - 5165448068

    Rating:
    100%
    (21)
    Out of Stock
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  3. classic palmetto blackhawk lower build kit in black

    PSA Classic Blackhawk Lower Build Kit, Black - 5165447982

    Rating:
    95%
    (478)
    Out of Stock
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  4. AR-15 Lower Build Kit with Vortex SPARC Red Dot

    PSA Shockwave MOE EPT Pistol Lower Build Kit With Vortex SPARC Red Dot, Flat Dark Earth

    Rating:
    95%
    (11)
    Out of Stock
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  5. AR-15 Lower Build Kit with SB Tactical Brace

    PSA MOE+ EPT Pistol Lower Build Kit With SB Tactical PDW Brace, Flat Dark Earth - 5165447769

    Rating:
    80%
    (2)
    Out of Stock
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  6. PSA Shockwave MOE Pistol Brace AR-15 Lower Build Kit with EPT

    PSA Shockwave MOE EPT Pistol Lower Build Kit With Vortex SPARC Red Dot Optic

    Rating:
    98%
    (19)
    Out of Stock
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  7. PSA MOE SL AR-15 Lower Build Kit in Gray

    PSA MOE SL Lower Build Kit, Gray - 516445219

    Rating:
    80%
    (1)
    Out of Stock
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  8. Palmetto State Armory MOE SB Tactical SOB Pistol Brace AR-15 Lower Build Kit in Black

    Palmetto State Armory MOE Pistol Lower Build Kit with SB Tactical SOB Pistol Brace, Black - 516444583

    Rating:
    95%
    (40)
    Out of Stock
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  9. Freedom Blackhawk AR-15 Lower Build Kit

    PSA Freedom Blackhawk Classic Lower Build Kit - 7792843

    Rating:
    71%
    (9)
    Out of Stock
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  10. AR-15 STR EPT lower build kit

    PSA AR15 STR EPT Lower Build Kit - Black

    Rating:
    84%
    (27)
    Out of Stock
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  11. AR-15 EPT MOE Lower Build Kit with Double Loop Latch Plate

    Palmetto State Armory AR-15 EPT MOE Lower Build Kit with Double Loop Latch Plate

    Rating:
    93%
    (24)
    Out of Stock
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  12. Overmolded AR-15 Lower Build Kit in black

    Palmetto State Armory Enhanced / Overmolded Lower Build Kit - Black - 44311

    Rating:
    100%
    (7)
    Out of Stock
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  13. Enhanced AR-15 Lower Build Kit

    Palmetto State Armory Enhanced Lower Build Kit - Black - 36759

    Rating:
    83%
    (6)
    Out of Stock
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  14. PSA MOE AR-15 Lower Build Kit

    Palmetto State Armory Magpul MOE Lower Build Kit - Black, ALG QMS Trigger - 38336

    Rating:
    100%
    (1)
    Out of Stock
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  15. Black Magpul MOE AR-15 lower build kit

    Palmetto State Armory Magpul MOE Rifle Stock Lower Build Kit - 30960

    Rating:
    97%
    (7)
    Out of Stock
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  16. OD Green AR-15 lower build kit

    Palmetto State Armory Magpul ACS-L Lower Build Kit - OD Green

    Rating:
    98%
    (19)
    Out of Stock
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  17. Palmetto State Armory AR-15 lower build kit

    Palmetto State Armory Magpul ACS-L Lower Build Kit - Flat Dark Earth

    Rating:
    95%
    (8)
    Out of Stock
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  18. STR AR-15 lower build kit black

    Palmetto State Armory Magpul STR Lower Build Kit - Black

    Rating:
    99%
    (46)
    Out of Stock
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  19. DPMS AR-15 LBK w/ M4 Telescopic Stock, Black

    DPMS AR-15 LBK w/ M4 Telescopic Stock, Black

    Out of Stock
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  20. DPMS AR-15 SBA3 Pistol Lower Build Kit MOE Grip & Polished Trigger

    DPMS AR-15 SBA3 Pistol Lower Build Kit MOE Grip & Polished Trigger

    Out of Stock
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  21. 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:
    85%
    (8)
    Out of Stock
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  22. Harrington & Richardson M16A1 Lower Build Kit, Gray

    Harrington & Richardson M16A1 Lower Build Kit, Gray

    Rating:
    76%
    (5)
    Out of Stock
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  23. Tacfire Complete Pistol Build Kit for Semi-Auto Pistols, Black - SS-PK9MM-LPK-4

    Tacfire Complete Pistol Build Kit for Semi-Auto Pistols, Black - SS-PK9MM-LPK-4

    Out of Stock
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  24. Anderson Manufacturing Rifle Build Kit for AR-Style Rifles - Black - G2-K823-A003

    Anderson Manufacturing Rifle Build Kit for AR-Style Rifles - Black - G2-K823-A003

    Out of Stock
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  1. Rifle Lower Build Kits 150
  2. Pistol Lower Build Kits 37
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