Newbie needs help. Looking to scope an M1A scout in a sage stock for a utility gun. Will be using it to shoot everything from soup to nuts: p-dogs, paper, steel, coyotes, possibly even a deer or antelope. CO and WY plains shooting, so distances could easily exceed the gun. Looking at: SS 10X HD, IOR 2.5-10 X 42, Vortex Viper 4-16 x 50. I like the SS price, the IOR reticle, and the Vortex as a package. Not sure if an AO is really neccary, but I don't think the IOR has this feature. Input much appreciated.