Looking at putting some optics on my AR w/16". First, I was sold on the Vortex PST 1-4x MOA recticle. Now, I am starting to think that maybe I should go with a Vortex 2.5-10. Definitely larue mount, LT-104 or LT-139. I am thinking, 5-600yards max, mostly p-dog plinking. Any opinions?