DRG Manufacturing: How All Of Your AR-15 Parts Are Actually Made
This video provides an in-depth look at the manufacturing process of AR-15 components, including BCGs, barrels, and lower receivers, at DRG Manufacturing. It details the use of specific materials like Carpenter 158 and 4150 CMV steel, highlights advanced CNC machining and automation, and explains critical processes like heat treatment and precision grinding. The content is presented with high technical authority, offering detailed insights into achieving mil-spec tolerances and material properties essential for reliable firearm function.












