I'm looking at 1-4x30mm for my RRA coyote 20". They are the Horus "talon" or burris "xtr" 1-4 and the 4x24 M2 IOR/Valdada Tactical Rifle Scope, .223 Caliber - with CQB reticle. I really want a reticle that offers some sort of BDC that will offer holds at extended ranges (400 to 500 meters). Any...