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AR-15 Upgrade Kits

When it's time to take your AR-15 to the next level, shop Palmetto State Armory for some of the best AR-15 upgrade kits. Here you can find kits from brands like Lead Star Arms, KNS Precision, PSA Custom. Upgrade your investment today!

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  1. Del-Ton Complete Lower Parts Kit, Black

    Del-Ton Complete Lower Parts Kit, Black

    Out of Stock
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  2. Anderson Manufacturing Whoops Lower Parts Kit, Black

    Anderson Manufacturing Whoops Lower Parts Kit, Black

    Rating:
    100%
    (2)
    Out of Stock
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  3. Watchtower Lower Parts Kit - Complete Kit for Building and Upgrading Lower Receiver - LPKBLK

    Watchtower Lower Parts Kit - Complete Kit for Building and Upgrading Lower Receiver - LPKBLK

    Out of Stock
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  4. 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

    Out of Stock
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  5. Sons of Liberty Gun Works Blaster Guts Full Auto Lower Parts Kit, Black - Comprehensive Kit for Full Auto Use - BG-FA

    Sons of Liberty Gun Works Blaster Guts Full Auto Lower Parts Kit, Black - Comprehensive Kit for Full Auto Use - BG-FA

    Out of Stock
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  6. Anderson Manufacturing Lower Parts Kit, Black - Comprehensive and Reliable Parts Kit - G2-K421-D000-0P

    Anderson Manufacturing Lower Parts Kit, Black - Comprehensive and Reliable Parts Kit - G2-K421-D000-0P

    Rating:
    80%
    (3)
    Out of Stock
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  7. Radikal Lower Parts Kit for AR-15, Black - 900010

    Radikal Lower Parts Kit for AR-15, Black - 900010

    Out of Stock
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  8. ET Arms Inc Complete Lower Parts Kit for AR-15, Black - ETAPOLYLPK

    ET Arms Inc Complete Lower Parts Kit for AR-15, Black - ETAPOLYLPK

    Out of Stock
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  9. Del-Ton Inc Comprehensive Black AR-15 Complete Lower Parts Kit - LP1045

    Del-Ton Inc Comprehensive Black AR-15 Complete Lower Parts Kit - LP1045

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  10. Bowden Tactical Black AR-15 Lower Parts Kit - Premium Build Components - J26300-8

    Bowden Tactical Black AR-15 Lower Parts Kit - Premium Build Components - J26300-8

    Out of Stock
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  11. American Tactical Lower Parts Kit for AR-Style, Black - ATIATI15LPKNANO

    American Tactical Lower Parts Kit for AR-Style, Black - ATIATI15LPKNANO

    Out of Stock
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  12. Spike's Tactical 308 LPK Small Parts for Livewire or Jack 308 - SLPKX15

    Spike's Tactical 308 LPK Small Parts for Livewire or Jack 308 - SLPKX15

    Out of Stock
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  13. Timber Creek Lower Parts Kit, Red

    Timber Creek Lower Parts Kit, Red - AR LPK R

    Out of Stock
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  14. Timber Creek Lower Parts Kit, Burnt Bronze

    Timber Creek Lower Parts Kit, Burnt Bronze - AR LPK BB

    Rating:
    96%
    (5)
    Out of Stock
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  15. Spikes Tactical .308 Win Billet Lower Small Parts Kit, Black - SLPKX15

    Spikes Tactical .308 Win Billet Lower Small Parts Kit, Black - SLPKX15

    Out of Stock
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  16. I.O. Inc. AR-15 Lower Parts Kit - 13060025

    I.O. Inc. AR-15 Lower Parts Kit - 13060025

    Out of Stock
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  17. TPS Arms AR-15 Lower Parts Kit w/o Pistol Grip - AR2006

    TPS Arms AR-15 Lower Parts Kit w/o Pistol Grip - AR2006

    Out of Stock
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  18. Spike's Tactical Enhanced Lower Receiver Parts Kit 223/556, FDE - SLPK302

    Spike's Tactical Enhanced Lower Receiver Parts Kit 223/556, FDE - SLPK302

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  19. 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)
    Out of Stock
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  20. 2A Armament Builders Series AR15 Enhanced Lower Parts Kit, Black - 2A-LPK-TI

    2A Armament Builders Series AR15 Enhanced Lower Parts Kit, Black - 2A-LPK-TI

    Out of Stock
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  21. Seekins Precision Lower Receiver Parts Builder's Kit For 223 Rem & 556NATO - 0011510063

    Seekins Precision Lower Receiver Parts Builder's Kit For 223 Rem & 556NATO - 0011510063

    Out of Stock
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  22. KE Arms AR-15 Lower Parts Kit With A2 Pistol Grip, Black - 1-50-01-543

    KE Arms AR-15 Lower Parts Kit With A2 Pistol Grip, Black - 1-50-01-543

    Out of Stock
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  23. KE Arms AR-15 Lower Parts Kit With XTech Pistol Grip, Black - 1-50-01-341

    KE Arms AR-15 Lower Parts Kit With XTech Pistol Grip, Black - 1-50-01-341

    Out of Stock
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  24. Armaspec Superlight AR-15 Lower Parts Kit, Flat Dark Earth

    Armaspec Superlight AR-15 Lower Parts Kit, Flat Dark Earth - ARM252-FDE

    Rating:
    95%
    (4)
    Out of Stock
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