First, budget around $1,500 max. Use: 600-1000 yd. shooting, non-competitive.
Choice #1 Nightforce 3.5-15X50, price $1,400, NP-R1 ret., mil/moa, SFP, has illum., no zero stop, but made here. Option to up grade to zero stop turrets later.
Choice #2 IOR 3.5-18X42, price $1,549, Modded MP-8...