Long range expectations of 6.5 Grendel

[A5BLASTER]

800 to 1000 ft.

Ok so you have the altitude too reach 1000 yards with a 20 inch grendel, that's a plus.

Now to answer your question about expectations. That's going to depend on how much quality you built are bought into your setup and how well it shoots your choice of ammo and most importantly how well you can hold and shoot it.

The biggest factor is going to come from how well you can make wind calls and adjust for them, the drop is easy, it's the wind that will kill your groups.