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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 370

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  1. 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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  2. Timber Creek Greyman Lower Parts Kit, Urban

    Timber Creek Greyman Lower Parts Kit, Urban

    Regular Price $84.99 Special Price $75.99
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  3. 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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  4. 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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  5. 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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  6. 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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  7. PSA JAKL-10 EPT MIAD F5 Lower Build kit, FDE

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

    Rating:
    88%
    (5)
    $299.99
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  8. 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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  9. TacFire Lower Parts Kit Fits Glock G19, Black

    TacFire Lower Parts Kit Fits Glock G19, Black

    Rating:
    80%
    (4)
    Regular Price $42.99 Special Price $37.89
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  10. PSA A2 Classic Rifle Lower Build Kit, ODG

    PSA A2 Classic Rifle Lower Build Kit, ODG

    Rating:
    97%
    (19)
    $119.99
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  11. PSA A2 Classic Rifle Lower Build Kit, FDE

    PSA A2 Classic Rifle Lower Build Kit, FDE

    Rating:
    96%
    (14)
    $119.99
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  12. Strike Industries Enhanced AR-10 Lower Parts Kit Fits Knight's Armament SR25, Black - Complete Parts Kit Fits AR-10 Performance - SI-AR10-E-LRPLT

    Strike Industries Enhanced AR-10 Lower Parts Kit Fits Knight's Armament SR25, Black - Complete Parts Kit Fits AR-10 Performance - SI-AR10-E-LRPLT

    Regular Price $59.99 Special Price $53.99
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  13. PSA JAKL Rifle Lower Build Kit MOE SL EPT B&T Stock, FDE

    PSA JAKL Rifle Lower Build Kit MOE SL EPT B&T Stock, FDE

    Rating:
    40%
    (1)
    $249.99
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  14. PSA JAKL Rifle Lower Build Kit MOE SL EPT B&T Stock, Black

    PSA JAKL Rifle Lower Build Kit MOE SL EPT B&T Stock, Black

    Rating:
    93%
    (3)
    $249.99
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  15. PSA B5 Systems Lower Build Kit with Bravo Stock, Coyote

    PSA B5 Systems Lower Build Kit with Bravo Stock, Coyote

    Rating:
    97%
    (23)
    $129.99
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  16. Palmetto State Armory A2 Rifle Lower Build Kit, Black

    Palmetto State Armory A2 Rifle Lower Build Kit, Black

    Rating:
    90%
    (2)
    $119.99
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  17. PSA AR15 MOE Lower Build Kit W/PSA Custom Single Stage FCG, Black

    PSA AR15 MOE Lower Build Kit W/PSA Custom Single Stage FCG, Black

    Rating:
    90%
    (8)
    $179.99
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  18. PSA PA10 STR Two Stage Trigger Lower Build Kit W/Overmolded Grip

    PSA PA10 STR Two Stage Trigger Lower Build Kit W/Overmolded Grip

    Rating:
    100%
    (2)
    $219.99
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  19. Harrington & Richardson M16A1 Lower Build Kit, Gray

    Harrington & Richardson M16A1 Lower Build Kit, Gray

    Rating:
    76%
    (5)
    $139.99
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  20. 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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  21. Tacfire Complete Pistol Build Kit for Semi-Auto Pistols, Black - SS-PK556-LPK

    Tacfire Complete Pistol Build Kit for Semi-Auto Pistols, Black - SS-PK556-LPK

    Regular Price $451.99 Special Price $377.99
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  22. Tacfire Lower Parts Kit for Glock 17, Black/Silver - PK-GLK17

    Tacfire Lower Parts Kit for Glock 17, Black/Silver - PK-GLK17

    Regular Price $315.99 Special Price $283.99
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  23. 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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  24. Tacfire Lower Parts Kit for AR-15, Black - LPK02USA-B

    Tacfire Lower Parts Kit for AR-15, Black - LPK02USA-B

    Regular Price $65.99 Special Price $59.19
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Items 25-48 of 370

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  2. Lower Parts Kits 191
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