I first bought my snake slayer IV simply because it was a powerful combination in a small packag. I have always been taught that derringers had to short of a range, and usually not powerful enough to be a viable defense gun. However, I’ve taken it to the range and gone toe to toe with other concield permit holders and their autos. On competitor said “I wouldn’t want to meet you in a dark alley, I want to have an open casket.” As all my shots were head shots. Now only to get my hands on a 45 colt only barrel. The 4 1/2 ” one