Spikes complete upper assemblies will arrive to you inspected, tested, and ready to drop-in and go to work. Spikes maintains the same high standard of tolerances and attention to detail as the uppers they use for complete rifle builds. Every built upper and complete gun is test fired before leaving Spikes facility for function check before it reaches you.

  • Forged Upper Receiver
  • 16" M4 Profile Barrel
  • Phosphate M16 Complete BCG
  • A2 Front Sight Base Pinned

Spike's Tactical M4 16" Complete Upper Receiver 223 Rem/556 NATO

SKU: SPKSTU5025-M4S
$490.00Price
    • Age requirements and restrictions, consult your local laws before purchasing.
    • By purchase this product, you certify that you are law-abiding, of adult age, & have no felony convictions.

    • By purchase this product, you agree that WE will not assume any liability and WE will not be responsible for any misuse of the product.

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IN THE STATE OF CALIFORNIA AND THE CITY OF LOS ANGELES
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