How to Build an AR-15 Upper Receiver Presented by Larry Potterfield of MidwayUSA
This video, presented by Larry Potterfield of MidwayUSA, provides a comprehensive guide on building a standard AR-15 A2 Upper Receiver. It begins by detailing the necessary tools, explaining the function of each, from action blocks to barrel wrenches. The tutorial covers the installation of key components including the ejection port cover, forward assist, front and rear sights, and the barrel. A crucial step demonstrated is checking headspace before assembling the bolt and carrier. The video concludes with the installation of the delta ring, barrel fastening, and the gas tube and compensator.








