So i just purchased a rem 700 20 inch 308... i have acces to a 200, 600, and 1000 yard range. I dont know to terribly much about scopes and such.. but i wanna zero at 200 and adjust to 600-1000 thinking about this scope http://www.opticsplanet.net/millet-tactical-riflescope.html idk about the moa adjustments im not sure about what it ranges on this scope. it really depends on my base.. thinking either egw zero or 20 moa , Depending on scope . I wanna spend 300 max on glass. Thanks for all the help!