I have two of the vortex 2.5-10x32. They are great scopes. I have shot out to 690 on my 14.5 inch POF .308. I used nothing but the reticle and it proved to be dead on. The other one is on what I consider to be my 5.56 spr. It's an Ambush 5.56 with an 18 inch bbl. I have the gun zeroed at 200 and...