Introduced in 2015 as a variant of the popular Marlin 1895 Guide Gun, the GSBL is, like the name implies, simply the Guide Gun model of the newer SBL line, which stands for stainless steel, big-loop and laminate stock. It sports some great features that have made it an instant favorite in the lever-action community. You can learn more about it with the video embedded above, hosted by Associate Editor Jon Draper.