This is the Koah Speargun Shortie M.W Mid 38 inches Features: 38 Shortie Speargun Muddy Water gun for low visibility 40" and 5/16 shaft The KOAH M.W (muddy water) Mid-handle. This 38" Solid stock mahogany enclosed track gun was specifically built for Low-visibly and tight quarters conditions. This gun is built for heavy abuse with a stock 5/16 shaft and glass filled epoxy enclosed track to conquer sharp pivoting and hole shooting scenarios.