Hello all, called Leupold but the wait was 30-72 minutes all week. I'm wanting to know why the MKIV 10x40 M3 is more expensive than the 3.5-10x40 M3, why does the 10x40 have caps instead of target knobs like the 3.5-10x40 and will either one of these scopes get a 308 to 1,000 yards with a zero...