I have been looking for a scope mount for my AR carry handle to mount a dot scope. the one I have now puts the scope up kinda high but workable. I was thinking one of those mounts that go foward then down to co-witness the sights might be a better choice. is one concidered better than the other? also, the price on the forward mounts I have seen run from 17.00 - over 100.00. what do I need to spend to get a decent mount?