Which scope for a new Grendel AR build?

[TORCHRIDER]

Thanks for the feedback guys. I will look at the Leupold 3.6-18x44 Mk5 HD. I am sure it's a great scope but given this rifle will be used primarily as a hunting rig inside 400, I doubt I need 18 on the high end. I have no problem hitting steel at 800 with an 10X scope. Also shooting steel at long range will be a secondary use for this rifle.