170 yards, range finder verified, open field, perfect rest (straw bales), peep sight, 430 grain White Super Slug, 80 grains 777 FFFG (elk load), known trajectory, 15 minutes left of 2005 season, DRT.
Previous longest shot was 110 yards, scope, 200 grain Shockwave, 100 grains BM'3, 50 yard recovery. All others were under 100.