WWSD2020 - Project Launch & Mk3 Lower Announcement
This video details the development of the WWSD2020 Mk3 Lower, a modern polymer AR-15 receiver. It highlights the project's origins, the evolution of polymer lower designs, and the partnership with KE Arms for manufacturing. Key improvements include an optimized flared magwell for PMAGs and D60s, enhanced ergonomics, and the addition of M-LOK slots. The content is presented with high authority, drawing on deep knowledge of AR-15 history and manufacturing processes.












