[blackbart.223]

"Optics are starting to get really advanced. I think they have a scope now which automatically finds the range then adjusts the reticule."

The question is cost. The AR 15 is good to 600 yards at best. Why pay for a sight that costs more than the rifle?

[mylife]

can whack shit at 400 yds.

Not accurately but 6 out of ten shots