Forums Splitboards What choose – Voile Mountain Gun 161 or 171 ? Reply To: What choose – Voile Mountain Gun 161 or 171 ? May 5, 2006 at 2:41 pm #588689 Ecobrad 2068 Posts Welcome. I’m by no means an expert but I’d definelty say the 171. fast carving, no trees=longer board. A rule of thumb I’ve heard several times is: by your splitboard 3-5cm longer than your resort board. BC=More deeep POW.