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Serialized Parts

Important FFL Requirements: These items are FFL restricted shipping products. You must arrange shipment of these products to a qualified FFL dealer.

If you would like to have your order process faster, please see our HOW TO: Purchasing Serialized Parts.

If your are unsure if we can ship to you, please view our Serialized Product Information & Shipping Restrictions to see restrictions.

All regulated serialized parts are shipped to the FFL EZ Check verified address.


We are not currently shipping serialized items to California.

Products [8]

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3rd Gen Tactical Humboldt Lower Receiver - Black
3rd Gen Tactical Humboldt Lower Receiver - Black
$249.99 $249.00 Sale
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DD Custom Arms AR-15 Pistol Lower Receiver Build Kit Featuring 3rd Gen Tactical 'Humboldt' Lower KAK Shockwave Blade + Omega Manufacturing Mil-Spec Buffer Kit KAK Industries LPK (Assembled or Unassembled)
DD Custom Arms AR-15 Pistol Lower Receiver Build Kit Featuring 3rd Gen Tactical 'Humboldt' Lower KAK Shockwave Blade + Omega Manufacturing Mil-Spec Buffer Kit KAK Industries LPK (Assembled or Unassembled)
$634.99 $409.99 Sale
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DD Custom Arms AR-15 Pistol Lower Receiver Build Kit Featuring 3rd Gen Tactical 'Humboldt' Lower KAK Industries Shockwave 2.0 Pistol Stabilizer Brace Kit KAK Industries LPK (Assembled or Unassembled)
DD Custom Arms AR-15 Pistol Lower Receiver Build Kit Featuring 3rd Gen Tactical 'Humboldt' Lower KAK Industries Shockwave 2.0 Pistol Stabilizer Brace Kit KAK Industries LPK (Assembled or Unassembled)
$634.99 $414.99 Sale
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DD Custom Arms AR-15 Rifle Lower Receiver Build Kit Featuring 3rd Gen Tactical 'Humboldt' Lower Adaptive Tactical Ex Performance Stock KAK Industries LPK (Assembled or Unassembled)
DD Custom Arms AR-15 Rifle Lower Receiver Build Kit Featuring 3rd Gen Tactical 'Humboldt' Lower Adaptive Tactical Ex Performance Stock KAK Industries LPK (Assembled or Unassembled)
$639.99 $399.99 Sale
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DD Custom Arms AR-15 Rifle Lower Receiver Build Kit Featuring 3rd Gen Tactical 'Humboldt' Lower FAB Defense Rapid Adjustable Precision Stock Kit KAK Industries LPK (Assembled or Unassembled)
DD Custom Arms AR-15 Rifle Lower Receiver Build Kit Featuring 3rd Gen Tactical 'Humboldt' Lower FAB Defense Rapid Adjustable Precision Stock Kit KAK Industries LPK (Assembled or Unassembled)
$734.99 $554.99 Sale
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DD Custom Arms AR-15 Rifle Lower Receiver Build Kit Featuring 3rd Gen Tactical 'Humboldt' Lower United Defense CAR-15 Mil-Spec Stock Kit KAK Industries LPK (Assembled or Unassembled)
DD Custom Arms AR-15 Rifle Lower Receiver Build Kit Featuring 3rd Gen Tactical 'Humboldt' Lower United Defense CAR-15 Mil-Spec Stock Kit KAK Industries LPK (Assembled or Unassembled)
$639.99 $394.99 Sale
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Aero Precision M5 LR-308 Pistol Complete Lower Receiver w/ MOE Grip & SBA4 Brace - Anodized Black
Aero Precision M5 LR-308 Pistol Complete Lower Receiver w/ MOE Grip & SBA4 Brace - Anodized Black
$499.99 $464.99 Sale
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DD Custom Arms AR-15 Lower Receiver Build Kit Featuring A Davidson Defense Engraved AR-15 Lower Receiver, Mil-Spec Buffer Tube Kit, KAK Industries LPK (Pre-Assembled, Ready To Ship)
DD Custom Arms AR-15 Lower Receiver Build Kit Featuring A Davidson Defense Engraved AR-15 Lower Receiver, Mil-Spec Buffer Tube Kit, KAK Industries LPK (Pre-Assembled, Ready To Ship)
$464.99 $154.99 Sale
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