the rules for the scope deals
#1 they got to be a good scope of reasonably good quality.
#2 they got be be a good % off list price --at least 30% but 50% is better!
# 3 the scope has to be adaptable to the ar-15 -- nothing off a m1 tank or a U-boat!
$135 for a vortex diamondback--- very good glass , not as good as the $175 vortex vipers from a year or so ago--but still a very nice scope for $