Tag: Ejection Port Cover

AR-MPR: Build Part 1 – Upper – Ejection Port Cover and Forward Assist

Now that we covered planning, the parts lists, and the tools list, it’s time to get going with the AR-15 build process! We’ll start with the upper assmbly, and then move on to the lower assembly. In this video, we’ll start with the upper receiver casting, and install the ejection port cover and forward assist. […]