Yankee Hill AR-15/M16 Black Diamond Specter Upper Receiver
This video showcases the Yankee Hill AR-15/M16 Black Diamond Specter Upper Receiver. It highlights the complete flattop assembly, which includes the bolt/carrier, charging handle, tactical handguard, gas block, and barrel. The description emphasizes the free-floated Diamond handguard's unique hole pattern designed to reduce weight and improve barrel cooling. The video likely serves as a product overview or demonstration for potential buyers interested in high-end AR-15 components.










