looking for advice... I am brand new to precision rifle shooting currently have a savage 10 fcp sr 308 with a vortex viper pst 6-24 mrad on it im looking at taking my first class soon and would like to upgrade my optic and eventually upgrade my rifle and swap whatever optic i purchase to the new rifle. Currently have it narrowed down to the nightforce ATACR 5-25, vortex razor hd gen 2 4.5x 27, and leupold mark 5hd 5x25 looking to be out the door with mount for 3000 or less. Also could use some direction on magnification range as I've considered going with something like 3x15 to save some money to upgrade the rifle sooner... also if anyone can recommend a mount that would pair well with one of these options for and give some insight on choosing mount height it would be greatly appreciated thanks in advance for the replies