Eighteen countries guaranteed a spot for Rio 2016 Games at the 5th stage of the Shooting World Cup With 153 places already decided, 192 of the 390 athletes will qualify for shooting events at Rio 2016 this year Twenty-five year old German, Christian Reitz guarantees a spot for his country at rapid fire pistol (Photo: Lars Baron/Getty Images) Shooting is the sport that has confirmed the most qualification places at the Rio 2016 Olympic Games so far. A further 24 Olympic…