Gun is an AR10-308, i will be mostly punching paper out to 500 yards and beyond if i can find a range. May be use it on deer? 1st scope(Nikon Monarch)..4-16X42..Mil-dot side focus 40moa of internal adj. 2st scope(VX-3)..3.5-10X40..Duplex rec 58moa of internal adj. Which would you chose? Thanks guy!