Harrington & Richardson Early 604 "Air Force" Complete Upper Receiver, 1/12 Twist, Gray.
Brand Harrington & Richardson
Caliber 5.56×45mm NATO
MSRP $719.99
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Description
These early Air Force 604 style uppers utilize a few transition parts including a "Non-Serrated" Chrome, Full Auto, Bolt Carrier Group, and the iconic 3 prong flash hider. The upper receiver is Gray Type 3 Hard Coat Anodized. These complete uppers are hand fitted and assembled right here in the United States of America.