· Conical carbon tube (38mm oval tube at the handle and 28mm in diameter in the front piece) with integrated "rail guide". Its performance in terms of precision, comfort of use, and shooting distance is out of the ordinary. The Marlin hayat be equipped with an optional second sling http://beuchat-z-pk-n-marlin-car37169.articlesblogger.com/29952191/beuchat-marlin-carbone-hd-speargun-115-open-head-hakk-nda-ger-ekler-a-a