I am currently building a 6.8 grendel (1st time grendel experience). I have completed the lower (geissele trigger and buffer tube / spring / buffer, wilson combat lower, spikes LPK, magpul stock and grip). Need ideas on the upper. I am wanting this for possible hunting and long range (600-800) target. Looking at 20 inch barrel. Prefer mid range price / tier. I have looked at Aero, Grendel Hunter, wilson combat, JP, Larue, Stag. Any that I am missing? So far I can't decide on brand (good reviews / value) with the price I would like to spend. I realize people will say that their PSA / BCA / etc is awesome but I would like this build to be a higher tier. But also don't want to pay just for a name. I am in no hurry to buy as I like to research and get great deals. I have read reviews and watched lots of videos but would like INGO's opinions. Fire away with suggestions.