The 6mm ARC will be a better target round than the Grendel but not as good of a hunting round as the 6.8.I built my first 6.8 in 2008 hoping it would become mainstream. That never happened but I’ve had over a decade of fun killing hogs and taking one doe per season. It’s the perfect round for my particular situation- 100-200 yard shots on hogs and deer with 120 SST. And by my sixth build, knowing who to buy barrels and furniture from, it’s so light and accurate that I don’t bother with my super light 2A Armament .308 ARs anymore. Which cost $2,500 each in parts. Hopefully ammo will remain available. But yesterday Hornady announced that a SOF unit has adopted the 6mm ARC as its new round. It’s a 6.5 Grendel necked down to 6.0 mm. We’ll see...