This video is launch of many more videos addressing what Mr. Stoner might build an AR15 with todays technologies.  Lightweight and functional as the driving factor for a great AR15 rifle.   If you are looking to build a great competitive AR this video has some great suggestions.   Starting with our very own product the GWACS Armory CAV-15 MKII.  The lightest solution for an AR 15 lower receiver.

https://www.full30.com/video/e2378d58351ac167e8e1e...