Experimental .30-40 Trapdoor Springfield
This guide details the operation of an experimental .30-40 Trapdoor Springfield, a single-shot breech-loading rifle. It highlights the historical context of US Army trials in the 1890s, where such conversions were tested against newer designs like the Krag-Jørgensen. The video emphasizes the specific mechanical sequence for loading and firing, as well as potential issues with high-pressure smokeless ammunition.










