Forums Splitboards What choose – Voile Mountain Gun 161 or 171 ? Reply To: What choose – Voile Mountain Gun 161 or 171 ? May 11, 2007 at 6:06 pm #588697 dude_reino 467 Posts From my experience, an extra 10 cm is hardly going to make a difference between landing a jump turn or careening into the rocks in a narrow couloir. Its all about personal ability. However, the extra 10 cm IS noticeably helpful when trying to stay afloat while surfing that ideal pow you might encounter in said couloir. Hawaiian longboarders in the 50’s had it right: longer is better in the ocean and the couloir.