hello everyone got a question here i have a 20 inch AR in a 556 that i want to get a optic for it is a flat top a3 style so no handle mount for me, but what i want is a good scope for long range mostly 350-500 ish maybe futher every once in a while, i dont really have a budget on this mostly because if i cant afford it right now i will have to wait and save for it no big deal for me, but i would like to be bale to use it in close range if needed, if SHTF so to speak well any help would be great i would really appreciate any advise you guys have. thanks again
Chris
Chris