Dirty Bird AR-15 Stripped Upper Receiver - No Feedramps

SKU# D089 | by Dirty Bird Industries
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The Dirty Bird Industries AR-15 Cerro Forged Stripped Upper Receiver is precision machined to M16/M4 Mil-Spec using top quality Cerro Forgings. They are then finished with a uniform Mil-Spec Type III hardcoat anodizing. These units are quality checked throughout the process to ensure consistent quality from unit to unit.

Builders know that not all mil-spec forged upper receivers are created equal. Sub-par forgings suffer from pitting and structural defects, poor anodizing can result in a purplish or chalky finish that doesn’t last and sloppy matching can result in mis-sized lugs, burrs or other machine marks.

You have Dirty Bird’s word that these uppers will be free from excessive pitting, machined to spec and finished with quality (not purple or chalky) hard coat anodizing.


  • 7075-T6 Aluminum Cerro Forgings
  • .250 takedown pin holes
  • Port Door (Dust Cover) and Forward Assist not included

These receivers will not come with M4 Feedramps.

Made in the USA

Backed by Dirty Bird Industries’ Limited Lifetime Warranty

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