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  1. Aero Precision 3 items
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  1. 223 Remington 2 items
  2. 5.56mm NATO 2 items
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  1. MLOK 2 items
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  1. Free Float 2 items
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  1. 10.5" 1 item
  2. 11.5" 1 item
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Inventory
  1. In Stock 35 items
  2. Out of Stock 20 items
Customer Rating
  1. 5
    12 items
  2. 4
    & up     16 items
  3. 3
    & up     17 items

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.

Page
  1. 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
  4. CMMG AR-15 Lower Parts Kit
    CMMG AR-15 Lower Parts Kit
    (9)
    $69.99 $56.99 Save $13.00
  6. 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
  8. Timber Creek Outdoors AR15 Lower Parts Kit
    Timber Creek Outdoors AR15 Lower Parts Kit
    (4)
    $99.99 $49.99 $64.99 Save $50.00
  12. TacFire AR-15 Accent Parts Kit
    TacFire AR-15 Accent Parts Kit
    (1)
    $69.99 $44.99 $51.99 Save $25.00
  14. CMMG AR-15 Survival Parts Kit
    CMMG AR-15 Survival Parts Kit
    $64.99 $54.99 Save $10.00
  16. 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
  18. CMMG AR-15 ZEROED Lower Parts Kit
    CMMG AR-15 ZEROED Lower Parts Kit
    $124.99 $111.99 Save $13.00
  19. San Tan Tactical Everything But The Lower AR-15 Build Kit
    San Tan Tactical Everything But The Lower AR-15 Build Kit
    $1,089.99 $980.99 Save $109.00
  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
  24. Armaspec AR-15 Lower Parts Kit
    Armaspec AR-15 Lower Parts Kit
    $79.99 $71.99 Save $8.00
  34. 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
  36. KAK Industry Basic Build AR-15 Lower Parts Kit
    KAK Industry Basic Build AR-15 Lower Parts Kit
    Out of stock
    (1)
    $27.99 $24.99 Save $3.00
  38. RISE Armament AR-15 RAVE Trigger with Lower Parts Kit
    RISE Armament AR-15 RAVE Trigger with Lower Parts Kit
    Out of stock
    $180.99 $139.99 Save $41.00
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