took a shot at 375 meters at an angle of 50-60 degreez vertical at an ibex and l missed 5 minutes later a nother ibex apeard at 600 meters. this was a 9 year old one so took a shot at that one to and missed again l use a docter 3-12-56 rifle scope without target turrets. the animal looks too small after 300 meters. lm planing to buy a new rifle scope. what should l buy? l personaly am thinking of nightforce 12-42-56. what do you think. 12-42-56 too much? should l go with the zeiss 6-24-56 insted?