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Lower Parts Kits

Pick up your next AR lower parts kit from GunMag Warehouse. Whether you’re working on a custom build or trying to upgrade a factory rifle, we have the best AR-15 lower parts kits available from top brands like Aero Precision, CMMG, and Geissele Automatics. Grab a new AR LPK today and let our team of experts know if you have any questions.

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  4. Timber Creek Outdoors AR15 Lower Parts Kit
    Timber Creek Outdoors AR15 Lower Parts Kit
    (4)
    $99.99 $52.99 $59.99 Save $47.00
  5. CMMG AR-15 Lower Parts Kit
    CMMG AR-15 Lower Parts Kit
    (8)
    $69.99 $56.99 Save $13.00
  6. DMA Inc. XTS AR-15 Anodized Parts Kit
    DMA Inc. XTS AR-15 Anodized Parts Kit
    $119.99 $86.99 $95.99 Save $33.00
  8. TacFire USA Made AR-15 Lower Parts Kit w/ Enhanced Pistol Grip
    TacFire USA Made AR-15 Lower Parts Kit w/ Enhanced Pistol Grip
    $75.99 $44.99 $59.99 Save $31.00
  9. CMMG AR-15 Survival Parts Kit
    CMMG AR-15 Survival Parts Kit
    $64.99 $54.99 Save $10.00
  10. WMD Guns Accent Build AR-15 Parts Kit
    WMD Guns Accent Build AR-15 Parts Kit
    (1)
    $109.99 $159.99 $98.99 $148.99 Save $11.00
  14. Geissele Automatics AR-15 Ultra Duty Lower Parts Kit
    Geissele Automatics AR-15 Ultra Duty Lower Parts Kit
    $153.99 $158.99
  15. TacFire AR-15 Accent Parts Kit
    TacFire AR-15 Accent Parts Kit
    (1)
    $69.99 $44.99 $51.99 Save $25.00
  18. CMMG AR-15 ZEROED Lower Parts Kit
    CMMG AR-15 ZEROED Lower Parts Kit
    $124.99 $111.99 Save $13.00
  19. Timber Creek Outdoors Greyman AR-15 Lower Parts Kit
    Timber Creek Outdoors Greyman AR-15 Lower Parts Kit
    $119.99 $52.99 $69.99 Save $67.00
  21. Armaspec AR-15 Superlight Gun Builder’s Kit
    Armaspec AR-15 Superlight Gun Builder’s Kit
    $79.99 $71.99 Save $8.00
  23. Armaspec AR-15 Superlight Lower Parts Kit
    Armaspec AR-15 Superlight Lower Parts Kit
    $84.99 $76.99 Save $8.00
  26. CMC Triggers AR-15 Lower Receiver Parts Kit w/ 3.5lb Trigger
    CMC Triggers AR-15 Lower Receiver Parts Kit w/ 3.5lb Trigger
    $249.99 $159.99 $189.99 Save $90.00
  33. RISE Armament AR-15 RAVE Trigger with Lower Parts Kit
    RISE Armament AR-15 RAVE Trigger with Lower Parts Kit
    $180.99 $139.99 Save $41.00
  38. TacFire USA Made AR-15 Lower Parts Kit
    TacFire USA Made AR-15 Lower Parts Kit
    Out of stock
    $62.99 $37.99 Save $25.00
  40. KAK Industry Basic Build AR-15 Lower Parts Kit
    KAK Industry Basic Build AR-15 Lower Parts Kit
    Out of stock
    $27.99 $24.99 Save $3.00
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