Rim vs Rimless
This video from C&Rsenal, presented by a knowledgeable instructor, delves into the fundamental differences between rimmed and rimless cartridges. It explains the historical advantages of rimmed cases, such as safety in tubular magazines and easier extraction, while detailing why rimless designs became dominant with the advent of autoloading firearms due to improved feeding reliability and capacity. The expert analysis highlights key mechanical and safety considerations for firearm design.









